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Sonic Wiki Zone
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in: Sonic & Knuckles bosses, Eggman robots, Eggman's creations, Final bosses
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{{Otheruses4||the object in the [[Sonic the Hedgehog 2 (film)|Sonic the Hedgehog 2]] film|Giant Eggman Robot}}
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{{Boss
  
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{{Infobox item
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|title = Kyodai Eggman Robo
  
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|image = [[File:Dez2finalboss.png|242px|]]
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|title = Giant Eggman Robo
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|image = GiantEggmanRoboProfileV2.png
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|caption = Sonic facing the first phase of Kyodai Eggman Robo.
  
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|caption = The Giant Eggman Robo, from ''[[Sonic & Knuckles]]''.
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|1st_app = ''[[Sonic & Knuckles]]''
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|game_apps =
  ⚫
*''[[Sonic & Knuckles]]''
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*''[[Sonic 3 & Knuckles]]''
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|creator = [[Doctor Eggman|Dr. Robotnik]]
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|user =
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*[[Doctor Eggman|Dr. Robotnik]]
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*[[Eggrobo]] {{C|[[Debug Mode]]}}
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|use = Combat
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|description = A large battle mech.
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}}
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The {{Nihongo|'''Giant Eggman Robo'''<ref name="ESI">{{Cite book|first1=Ian|last1=Flynn|last2=[[Sega]]|title=[[Sonic the Hedgehog Encyclo-speed-ia]]|publisher=[[Dark Horse Books]]|date=8 December 2021|page=55|isbn=978-1506719276|quote='''Bosses''': Act 2 - Giant Eggman Robo. The towering mecha attempts to crush you under its fingers. Smash them apart, and Dr. Eggman begins chasing you, using the Master Emerald to power a devastating laser while its "nose" acts as a flamethrower. After its destruction, Dr. Eggman tries to flee. Chase him down as the last of the Death Egg falls the pieces beneath your feet!}}</ref>|巨大エッグマンロボ<ref>{{Cite book|title=ソニックメガコレクション最強攻略ガイド|publisher=[[Shogakukan]]|date=1 March 2003|page=188|isbn=978-4091060907|language=Japanese }}</ref>|Kyodai Egguman Robo|lit. "Great Eggman Robo"}} is an object that appears in the [[Sonic the Hedgehog series|''Sonic the Hedgehog'' series]]. It was a massive battle mech-like [[Eggrobo|EggRobo]]<ref name="JamGuide">{{Cite book|title=ソニックジャム　オフィシャルガイド|publisher=SoftBank|date=2 October 1997|page=90|isbn=978-4797303377|language=Japanese}}</ref> created by [[Doctor Eggman|Dr. Eggman]]. Powered by the [[Master Emerald]], it was used by the doctor to battle [[Sonic the Hedgehog|Sonic]] and [[Miles "Tails" Prower|Tails]] aboard his damaged [[Death Egg]] at the climax of the [[Sonic & Knuckles|second part]] of the [[Angel Island]] [[Sonic 3 & Knuckles|incident]].
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==Description==
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===Appearance===
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The Giant Eggman Robo is a giant variation of the [[Eggrobo|EggRobo]] model,<ref name="JamGuide"/> and as such bears similarity with [[Doctor Eggman|Dr. Eggman]]. Its proportions are easily titanic, with the top half alone being several times larger than [[Sonic the Hedgehog|Sonic]]. It has a gray semi-hemisphere, with black "eyes" that have orange dots, as well as a red "nose" with a flamethrower installed at the bottom. As a torso, it has two red hatches with three holes each, and the [[Master Emerald]] inside of a glass cupule. It also has two gray hands with five fingers each.
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===Powers and abilities===
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With the [[Master Emerald]] serving as its [[Chaos Emerald energy|power source]], the Giant Eggman Robo is an extremely powerful machine. Its sheer size grants it immense strength, enough to crush a person using only its two pairs of three fingers, and walk through the metallic structures onboard the [[Death Egg]] like they were paper. It can also release flames from its nostrils that crawl on the ground and slide down its torso to reveal a weapon that can fire immense laser beams channeled directly from the Master Emerald. The full extent of this laser's power is unknown.
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  +
==History==
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===''Sonic & Knuckles''===
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Having beaten the [[Death Ball]] onboard the [[Death Egg]], [[Sonic the Hedgehog|Sonic]] and [[Miles "Tails" Prower|Tails]] chased after [[Doctor Eggman|Dr. Robotnik]] when the doctor made his escape. Eventually, the group arrived at the [[Master Emerald]]-powered Giant Eggman Robo, which the doctor quickly jumped into though a hatchway that closed behind him. Robotnik subsequently brought his creation into position for a final showdown with Sonic and Tails. After the heroes destroyed the Giant Eggman Robo's hands however, Robotnik resorted to using its alternate weapons while he tried closing in on Sonic and Tails. Despite this, Sonic and Tails succeeded in defeating the Giant Eggman Robo by attacking its Emerald chamber. As the giant mech went down in flames, Robotnik made an escape attempt in his [[Egg Mobile]] with the Master Emerald in tow, while the Death Egg fell apart around him, Sonic, and Tails.
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==Battle==
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{{Infobox boss
  ⚫
|title = Giant Eggman Robo
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|image = Dez2finalboss.png
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|caption = [[Sonic the Hedgehog|Sonic]] facing the first phase of the Giant Eggman Robo, from ''[[Sonic & Knuckles]]''.
 
|game =
 
|game =
 
*''[[Sonic & Knuckles]]''
  
*''[[Sonic & Knuckles]]''
 
*''[[Sonic 3 & Knuckles]]''
  
*''[[Sonic 3 & Knuckles]]''
 
|level = [[Death Egg Zone (Sonic & Knuckles)|Death Egg Zone]] Act 2
  
|level = [[Death Egg Zone (Sonic & Knuckles)|Death Egg Zone]] Act 2
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|description = The giant Eggman looking robot with robotic fingers and different phases, using Master Emerald as its energy source.
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|description = A giant Eggman-looking robot with robotic fingers and different phases, using Master Emerald as its energy source.
 
|previous = [[Death Ball]]
  
|previous = [[Death Ball]]
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|next = [[The Doomsday Zone]] {{C|[[Sonic the Hedgehog|Sonic]]}}
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|next = [[Final Weapon]] {{C|[[Sonic the Hedgehog|Sonic]]}}
 
}}
  
}}
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{{nihongo|'''Kyodai Eggman Robo'''|巨大エッグマンロボ|Kyodai Eggumanrobo|lit. "Gigantic Eggman Robo"}} was a massive battle robot that served as the final boss of the [[Death Egg Zone (Sonic & Knuckles)|Death Egg Zone]] in [[Sonic the Hedgehog|Sonic]]'s or [[Miles "Tails" Prower|Tails]]' story of ''[[Sonic & Knuckles]]'', as well as its locked-on form, ''Sonic the Hedgehog 3 & Knuckles''. Powered by the [[Master Emerald]], it was used by [[Doctor Eggman|Dr. Robotnik]] aboard his damaged space station.
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The Giant Eggman Robo is the second and final boss of [[Death Egg Zone (Sonic & Knuckles)|Death Egg Zone]] Act 2 in ''[[Sonic & Knuckles]]'' and the [[Lock-on technology|lock-on]] game ''[[Sonic 3 & Knuckles]]''. It is the fifteenth boss of ''Sonic & Knuckles'' and the twenty-eighth overall boss of ''Sonic the Hedgehog 3 & Knuckles'' in [[Sonic the Hedgehog|Sonic]] and [[Miles "Tails" Prower|Tails]]' playthroughs of said games.
   
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While it can only be fought by Sonic or Tails under normal circumstances, it can be fought by [[Knuckles the Echidna|Knuckles]] if both [[Level Select]] and [[Debug Mode]] are enabled. In ''[[Sonic Origins Plus]]'', it can also be fought with [[Amy Rose|Amy]]. It serves as the final boss for Tails and Amy, as well as for Sonic if the player did not collect all seven [[Chaos Emerald]]s.
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It somewhat resembles the [[Death Egg Robot]], which is the final boss of ''[[Sonic the Hedgehog 2]]'', only this robot is much bigger and has a better resemblance to [[EggRobo]].
  
   
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===Boss guide===
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This enormous mech is fought in three phases. Like in the'' ''final bosses in [[Sonic the Hedgehog (1991)|''Sonic 1'']] and ''Sonic 2'', there are no rings in this final boss (not counting the [[Doomsday Zone]]), although any rings still in hand from Act 2 are carried forward, so the first attempt at this boss may actually be the player's best chance of succeeding.
  
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Like in the final boss battles in the original ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'' and ''[[Sonic the Hedgehog 2]]'', there are no [[Ring]]s available during the fight with the Giant Eggman Robo, although any Rings still in hand from the first section of [[Death Egg Zone (Sonic & Knuckles)|Death Egg Zone]] Act 2 are carried over to this section.
   
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==Strategy==
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====Phase one====
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Phase one begins immediately after defeating the [[Death Ball]], with the playable character(s) running off-screen chasing Robotnik. The screen proceeds to fade to black, revealing the scene where Robotnik enters the Giant Eggman Robo after having outrun the playable characters. After that, the ground starts to collapse from the left. To avoid it, the player must forget about the Giant Eggman Robo and run to the stable ground on the right. Once far enough to the right, the Giant Eggman Robo will come back in from the left, filling the screen with its massive size. Here, the real fight begins.
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===Phase 1===
  
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In first phase, Sonic has to destroy all of the machines fingers while dodging them trying to crush him. To do this, he must either do his super spin dash between them, positioned as in the picture just as the fingers are about to slam down, or jump on each one. Three hits are needed to destroy each of the six fingers.
  
   
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During the first phase, the Giant Eggman Robo attacks with its massive fingers, which the player must destroy while dodging their attacks. These fingers are collected in two groups of three. Each "hand" locks onto the character if they are close enough before rising up and then slamming down into the floor. Unless the character is [[Spin Dash]]ing, getting caught under the fingers will damage the player. The Giant Eggman Robo will repeat this attack pattern until the phase is over.
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===Phase 2===
  
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[[File:DEZBoss2.png|thumb|left|200px|Second phase of Kyodai Eggman Robo.]]
  
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In this second phase, Sonic must avoid the flames fired from the robot's nose. This is lethal right from the moment it leaves the nose, meaning the player has to time attacks very carefully, as the nose is the part that needs to be hit.
  
   
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Three hits are needed to destroy each of the six fingers. To damage the fingers, the player must execute one of the following moves while the fingers are on the ground:
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Hitting the nose will not cause any damage, but will trigger the mech to open its Emerald compartment and fire its primary weapon. This is a magnifying glass that is capable of channeling energy from the Master Emerald into a huge laser beam. The player can score a hit (or two) by hitting this area while the weapon is charging. To defeat this phase, player has to hit it 8 times.
  
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*[[Spin Jump|Jump]] just when the fingers are about to fall and then bounce on top of them while they touch the ground.
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*Keep revving up a Spin Dash and let the fingers destroy themselves when they bring themselves down on the playable character.
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*Release a Spin Dash while standing in-between fingers, and use this to ricochet between two or more of them. If this option is chosen, the player must make sure that the fingers are not up against the screen's walls. If they are, the player's Spin Dash will come to a halt when they reach the leftmost finger. The game will then assume that the playable character has been [[crusher|crushed]] between it and the wall, and will restart the boss battle.
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It is possible to hit two fingers at the same time with one attack (although the positioning must be right) or hit a finger twice with one attack. Additionally, Sonic can hit up to three fingers at once with his [[Insta-Shield]].
   
  ⚫
====Phase two====
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Just as the weapon is about to fire, the player needs to either head as far right as possible and then duck, or jump at the right moment. It is best to listen to the sound the weapon makes as it charges to help with the timing with dodging this attack. A split-second after the sound goes off, the weapon fires.
  
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[[File:DEZBoss2.png|thumb|left|225px|The second phase of the Giant Eggman Robo, from ''[[Sonic & Knuckles]]''.]]
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Once all of the fingers have been destroyed, the Giant Eggman Robo drops below the platform. It will then appear from the side at the far left of the screen, marking the start of the second phase. During this phase, the mech walks slowly towards the player. Meanwhile, the player must avoid the flames fired from the Giant Eggman Robo's nose. This attack is lethal right from the moment it leaves the nose, meaning the player has to time attacks very carefully, as the nose is the part that needs to be hit. The flame attack will not hurt the player if they have a [[Flame Shield]].
   
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Hitting the nose will not damage this boss. However, it will cause the mech to open its chest chamber, revealing the [[Master Emerald]] inside a laser weapon that begins charging once revealed. The player can score a hit (or two) by hitting the Emerald weapon while it is charging. After the weapon has charged for a few seconds, it will fire a laser across the screen that can only be dodged if the player is at the apex of a jump. It is best to listen to the sound the weapon makes as it charges to help with the timing when dodging this attack. A split-second after the sound ends, the weapon fires. It is also possible to dodge the laser by heading as far to the right as possible and then crouching, although, to pull such an attempt off, the Giant Eggman Robo must be rising up from a step while firing its laser, which is a rare occurrence.
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Another good way to avoid contact with the laser beam is to jump over to the left and hit the top of the Emerald compartment right when the laser beam is fired. It's recommended not to try and hit it again right after this, as the Emerald compartment might close on you and cause you to fall off the bottom of the screen.
  
   
  ⚫
Another good way to avoid contact with the laser beam is to jump over to the left and hit the top of the Emerald weapon right when the laser beam is fired. It is recommended not to try and hit it again right after this, as the Emerald weapon might close on the player and cause them to fall off the bottom of the screen.
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===Phase 3===
  
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[[File:DEZBoss3.png|thumb|200px|Final phase of Kyodai Eggman Robo.]]
  
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As Kyodai Eggman Robo falls apart, [[Doctor Eggman|Dr. Robotnik]] manages to detach his [[Egg Mobile]] with the Master Emerald in tow. With the [[Death Egg]] exploding all around him, he puts up one last effort to keep the omnipotent jewel from Sonic. The player has to hit Egg Mobile normally 8 eight times to be stopped.
  
   
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To clear this phase, the player must hit the Emerald weapon eight times. After that, the Giant Eggman Robo drops off the screen again, defeated.
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All there is to this phase is running to catch up with the Egg Mobile and hitting it eight times. The floor rapidly drops away during this part - nearly as quickly as Sonic can run. The biggest danger is flying off the end just after the last hit is scored, making for an extremely frustrating death. Keep holding right down especially after the seventh hit to avoid this pitfall.
  
   
  ⚫
====Phase three====
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After this boss fight if you have collected all the Emeralds via [[Special Stage]], you advance to [[The Doomsday Zone]] to fight the true final boss. If not, then you fall back to Earth and the credits roll. If you're playing as Tails alone via playing ''Sonic the Hedgehog 3 & Knuckles'', you fall back to earth with the Master Emerald.
  
  ⚫
[[File:DEZBoss3.png|thumb|225px|The final phase of the Giant Eggman Robo, from ''[[Sonic & Knuckles]]''.]]
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After the end of the second phase, an [[Egg Mobile]] piloted by Robotnik (or an [[Eggrobo|EggRobo]] if playing as [[Knuckles the Echidna|Knuckles]]) will rise up from the Giant Eggman Robo's wreck. This Egg Mobile has the Master Emerald on the end of its grabbing device. The vehicle then flies off to the right, and the platform rapidly starts crumbling from the left. Meanwhile, debris falls down from above as the Death Egg falls apart.
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  ⚫
All there is to this phase is running to catch up with the Egg Mobile and hitting it. The floor rapidly drops away during this part - nearly as quickly as the player can run. The greatest danger is flying off the end just after the last hit is scored, making for an extremely frustrating death. The player must keep moving to the right, especially after the seventh hit to avoid the pitfall left behind by the falling platform. One should also make sure to time their [[Spin Jump]] when the character is underneath or to the right of the Egg Mobile, or the resulting bounce may be enough to throw the character off into open space and cause an instant death.
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During this phase, it should be noted that the clock has stopped. One can also not remain in a [[Super State]]/Hyper State during this phase.
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After eight hits, the Egg Mobile will explode, followed by the Death Egg itself, and the Master Emerald will drop onto the platform next to the player’s character, marking the end of the fight. After that, one of the following things will happen, each of which depends on the player's progression through the game and their chosen character for the boss fight:
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*If the player has chosen Sonic as the playable character, and is in possession of all of the [[Chaos Emerald|Chaos]] or [[Super Emerald]]s, the game will progress to [[The Doomsday Zone]].
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*If the player has chosen Tails or Amy as the playable character, or is using Sonic and has not collected at least all seven Chaos Emeralds beforehand, the game will progress to the corrsponding ending.
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*If the player has chosen Knuckles as the playable character, the game will crash and restart to the title screen without an ending sequence, due to how he is not supposed to actually fight the Giant Eggman Robo under normal circumstances.
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** In the ''[[Sonic Origins]]'' release, the corresponding ending for Knuckles will play instead, depending on whether the cheat code to get all the [[Chaos Emerald]]s was used or not.
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===Trivia===
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*This boss segment is listed in the [[Sound Test]] as '''The Doomsday Zone Act 2'''.
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*This boss stage is not available for Knuckles unless the [[Level Select]] is used with [[Debug Mode]] enabled. When he does fight the boss, [[Doctor Eggman|Dr. Robotnik]] can be seen entering the robot (unless on ''[[Sonic Origins]]'', where Eggrobo is used instead), but an [[Eggrobo]] is seen retreating with the [[Master Emerald]] in the third phase of the battle.
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*The music for this fight is the same for the [[Big Arms|final boss]] of ''[[Sonic the Hedgehog 3]]'', as well as the first phase of the fight with [[Mecha Sonic Mark II|Mecha Sonic Mk. II]] in [[Knuckles the Echidna|Knuckles]]' portion of the story.
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*If ''[[Sonic & Knuckles]]'' is played on ''[[Sonic Classic Collection]]'', then it is possible to manually save up to this point without having to do the entire Zone again.
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*If the player dies after engaging in combat with this boss, when they re-enter the battle, their time will be completely reset. This is because the boss stage is classified as a separate stage from Act 2.
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*The music for this fight was later remixed for [[Last Utopia Zone]] in ''[[Sonic the Hedgehog Pocket Adventure]]'', for [[Nocturne]] in ''[[Sonic Chronicles: The Dark Brotherhood]]'', for [[Big Arm (Classic)#Battle|Big Arm]] in ''[[Sonic Generations]]'' and during the [[Metal Mayhem|fifth episode]] of the ''[[Sonic Mania Adventures]]'' web series.
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===Music===
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{|class="wikitable"
  +
!Name
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!Artist(s)
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!colspan="2"|Version
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!Length
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!Music track
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|-
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|rowspan="3"|"Boss The Boss"
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|rowspan="3"|[[Sega]]
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|colspan="2"|''[[Sonic the Hedgehog 3]]''/''[[Sonic 3 & Knuckles]]''
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|1:50
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|[[File:Sonic the Hedgehog 3 27 - Final Boss (Big Arms).ogg|center]]
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|-
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|rowspan="2"|''[[Sonic & Knuckles Collection]]''
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|"FM Synthesizer"
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|1:42
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|[[File:S&KC_FB_FM.ogg|center]]
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|-
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|"General MIDI"
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|0:57
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|[[File:S&KC_FB_GM.ogg|center]]
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|}
   
 
==Trivia==
  
==Trivia==
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*The Giant Eggman Robo's Japanese name, "Kyodai Eggman Robo", meaning ''Great Eggman Robo'', comes from ''kyodai'', meaning "huge", and its appearance resembling an [[Eggrobo|EggRobo]].
 
*Only the upper part of the robot's body is ever visible; the lower body, legs, and arms are never shown.
  
*Only the upper part of the robot's body is ever visible; the lower body, legs, and arms are never shown.
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[[File:Kyodai-Eggman-Robo-Sonic-&-All-Stars-Racing-Transformed.png|thumb|A Giant Eggman Robo-like droid in ''[[Sonic & Sega All-Stars Racing]]''.]]
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*This boss stage is not available for Knuckles unless a cheat is used. When Knuckles does fight the boss, although Robotnik can be seen entering the robot, EggRobo is seen retreating with the Master Emerald in the third phase of the battle.
  
  ⚫
*In the [[Egg Hangar]] in ''[[Sonic & Sega All-Stars Racing]]'' and ''[[Sonic & All-Stars Racing Transformed]]'', several laser turret droids resembling the Giant Eggman Robo appear in the hangar area of the [[Death Egg]].
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*The music for this boss battle is the same for the [[Big Arm|final boss]] of ''[[Sonic the Hedgehog 3]].''
  
  +
*The [[Giant Eggman Robot]] from the ''[[Sonic the Hedgehog 2 (film)|Sonic the Hedgehog 2]]'' film, though primarily based off the [[Death Egg Robot]], appears to take inspiration from the Giant Eggman Robo, such as its size, appearance, lasers, and being powered by the [[Master Emerald (Paramount)|Master Emerald]].
⚫
*If ''[[Sonic & Knuckles]]'' is played on ''[[Sonic Classic Collection]]'', then it is possible to save up to this point without having to do the entire zone again.
  
⚫
*In [[Egg Hangar|DLC track]] of ''[[Sonic & Sega All-Stars Racing]]'', several laser turrets resembling Kyodai Eggman Robo appear in the hangar area of the Death Egg.
  
⚫
*If the player dies after engaging in combat with this boss battle, when they re-enter the battle, their time will be completely reset.
  
   
 
==Gallery==
  
==Gallery==
  +
===Sprites===
 
{{Gallery start}}
  
{{Gallery start}}
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<gallery>
 +
<gallery widths="200">
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Sonic & Knuckles final boss (Gigantic Eggman Robo) - front.png|Front view of Kyodai Eggman Robo showing fingers
 +
Sonic & Knuckles final boss (Gigantic Eggman Robo) - front.png|''[[Sonic & Knuckles]]''
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Sonic & Knuckles final boss (Gigantic Eggman Robo) - side.png|Kyodai Eggman Robo side view
 +
Sonic & Knuckles final boss (Gigantic Eggman Robo) - side.png|''[[Sonic & Knuckles]]''
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Sonic & Knuckles final boss (Gigantic Eggman Robo) - side showing cannon.png|Side view with chestplate lowered, showing Master Emerald inside
 +
Sonic & Knuckles final boss (Gigantic Eggman Robo) - side showing cannon.png|''[[Sonic & Knuckles]]''
 
</gallery>
  
</gallery>
 
{{Gallery end}}
  
{{Gallery end}}
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−
{{-}}
  
  +
===Screenshots===
⚫
{{Sonic 3 & Knuckles Info}}
  
  +
<gallery widths="200">
  +
SO Giant Eggman Robo.jpg|''[[Sonic Origins]]''
  +
</gallery>
  +
  +
==References==
  +
{{Reflist|2}}
  +
{{& Knuckles info}}
  +
[[de:Kyodai Eggman Robo]]
  +
[[es:Kyodai Eggman Robo]]
  +
[[pl:Giant Eggman Robo]]
 
[[Category:Sonic & Knuckles bosses]]
  
[[Category:Sonic & Knuckles bosses]]
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[[Category:Eggman robots]]
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[[Category:Eggman's creations]]
 
[[Category:Final bosses]]
  
[[Category:Final bosses]]

Latest revision as of 19:55, 5 January 2024

For the object in the Sonic the Hedgehog 2 film, see Giant Eggman Robot.

The Giant Eggman Robo[1] (巨大エッグマンロボ[2] Kyodai Egguman Robo?, lit. "Great Eggman Robo") is an object that appears in the Sonic the Hedgehog series. It was a massive battle mech-like EggRobo[3] created by Dr. Eggman. Powered by the Master Emerald, it was used by the doctor to battle Sonic and Tails aboard his damaged Death Egg at the climax of the second part of the Angel Island incident.

Description

Appearance

The Giant Eggman Robo is a giant variation of the EggRobo model,[3] and as such bears similarity with Dr. Eggman. Its proportions are easily titanic, with the top half alone being several times larger than Sonic. It has a gray semi-hemisphere, with black "eyes" that have orange dots, as well as a red "nose" with a flamethrower installed at the bottom. As a torso, it has two red hatches with three holes each, and the Master Emerald inside of a glass cupule. It also has two gray hands with five fingers each.

Powers and abilities

With the Master Emerald serving as its power source, the Giant Eggman Robo is an extremely powerful machine. Its sheer size grants it immense strength, enough to crush a person using only its two pairs of three fingers, and walk through the metallic structures onboard the Death Egg like they were paper. It can also release flames from its nostrils that crawl on the ground and slide down its torso to reveal a weapon that can fire immense laser beams channeled directly from the Master Emerald. The full extent of this laser's power is unknown.

History

Sonic & Knuckles

Having beaten the Death Ball onboard the Death Egg, Sonic and Tails chased after Dr. Robotnik when the doctor made his escape. Eventually, the group arrived at the Master Emerald-powered Giant Eggman Robo, which the doctor quickly jumped into though a hatchway that closed behind him. Robotnik subsequently brought his creation into position for a final showdown with Sonic and Tails. After the heroes destroyed the Giant Eggman Robo's hands however, Robotnik resorted to using its alternate weapons while he tried closing in on Sonic and Tails. Despite this, Sonic and Tails succeeded in defeating the Giant Eggman Robo by attacking its Emerald chamber. As the giant mech went down in flames, Robotnik made an escape attempt in his Egg Mobile with the Master Emerald in tow, while the Death Egg fell apart around him, Sonic, and Tails.

Battle

The Giant Eggman Robo is the second and final boss of Death Egg Zone Act 2 in Sonic & Knuckles and the lock-on game Sonic 3 & Knuckles. It is the fifteenth boss of Sonic & Knuckles and the twenty-eighth overall boss of Sonic the Hedgehog 3 & Knuckles in Sonic and Tails' playthroughs of said games.

While it can only be fought by Sonic or Tails under normal circumstances, it can be fought by Knuckles if both Level Select and Debug Mode are enabled. In Sonic Origins Plus, it can also be fought with Amy. It serves as the final boss for Tails and Amy, as well as for Sonic if the player did not collect all seven Chaos Emeralds.

Boss guide

Like in the final boss battles in the original Sonic the Hedgehog and Sonic the Hedgehog 2, there are no Rings available during the fight with the Giant Eggman Robo, although any Rings still in hand from the first section of Death Egg Zone Act 2 are carried over to this section.

Phase one

Phase one begins immediately after defeating the Death Ball, with the playable character(s) running off-screen chasing Robotnik. The screen proceeds to fade to black, revealing the scene where Robotnik enters the Giant Eggman Robo after having outrun the playable characters. After that, the ground starts to collapse from the left. To avoid it, the player must forget about the Giant Eggman Robo and run to the stable ground on the right. Once far enough to the right, the Giant Eggman Robo will come back in from the left, filling the screen with its massive size. Here, the real fight begins.

During the first phase, the Giant Eggman Robo attacks with its massive fingers, which the player must destroy while dodging their attacks. These fingers are collected in two groups of three. Each "hand" locks onto the character if they are close enough before rising up and then slamming down into the floor. Unless the character is Spin Dashing, getting caught under the fingers will damage the player. The Giant Eggman Robo will repeat this attack pattern until the phase is over.

Three hits are needed to destroy each of the six fingers. To damage the fingers, the player must execute one of the following moves while the fingers are on the ground:

  • Jump just when the fingers are about to fall and then bounce on top of them while they touch the ground.
  • Keep revving up a Spin Dash and let the fingers destroy themselves when they bring themselves down on the playable character.
  • Release a Spin Dash while standing in-between fingers, and use this to ricochet between two or more of them. If this option is chosen, the player must make sure that the fingers are not up against the screen's walls. If they are, the player's Spin Dash will come to a halt when they reach the leftmost finger. The game will then assume that the playable character has been crushed between it and the wall, and will restart the boss battle.

It is possible to hit two fingers at the same time with one attack (although the positioning must be right) or hit a finger twice with one attack. Additionally, Sonic can hit up to three fingers at once with his Insta-Shield.

Phase two

DEZBoss2

The second phase of the Giant Eggman Robo, from Sonic & Knuckles.

Once all of the fingers have been destroyed, the Giant Eggman Robo drops below the platform. It will then appear from the side at the far left of the screen, marking the start of the second phase. During this phase, the mech walks slowly towards the player. Meanwhile, the player must avoid the flames fired from the Giant Eggman Robo's nose. This attack is lethal right from the moment it leaves the nose, meaning the player has to time attacks very carefully, as the nose is the part that needs to be hit. The flame attack will not hurt the player if they have a Flame Shield.

Hitting the nose will not damage this boss. However, it will cause the mech to open its chest chamber, revealing the Master Emerald inside a laser weapon that begins charging once revealed. The player can score a hit (or two) by hitting the Emerald weapon while it is charging. After the weapon has charged for a few seconds, it will fire a laser across the screen that can only be dodged if the player is at the apex of a jump. It is best to listen to the sound the weapon makes as it charges to help with the timing when dodging this attack. A split-second after the sound ends, the weapon fires. It is also possible to dodge the laser by heading as far to the right as possible and then crouching, although, to pull such an attempt off, the Giant Eggman Robo must be rising up from a step while firing its laser, which is a rare occurrence.

Another good way to avoid contact with the laser beam is to jump over to the left and hit the top of the Emerald weapon right when the laser beam is fired. It is recommended not to try and hit it again right after this, as the Emerald weapon might close on the player and cause them to fall off the bottom of the screen.

To clear this phase, the player must hit the Emerald weapon eight times. After that, the Giant Eggman Robo drops off the screen again, defeated.

Phase three

DEZBoss3

The final phase of the Giant Eggman Robo, from Sonic & Knuckles.

After the end of the second phase, an Egg Mobile piloted by Robotnik (or an EggRobo if playing as Knuckles) will rise up from the Giant Eggman Robo's wreck. This Egg Mobile has the Master Emerald on the end of its grabbing device. The vehicle then flies off to the right, and the platform rapidly starts crumbling from the left. Meanwhile, debris falls down from above as the Death Egg falls apart.

All there is to this phase is running to catch up with the Egg Mobile and hitting it. The floor rapidly drops away during this part - nearly as quickly as the player can run. The greatest danger is flying off the end just after the last hit is scored, making for an extremely frustrating death. The player must keep moving to the right, especially after the seventh hit to avoid the pitfall left behind by the falling platform. One should also make sure to time their Spin Jump when the character is underneath or to the right of the Egg Mobile, or the resulting bounce may be enough to throw the character off into open space and cause an instant death.

During this phase, it should be noted that the clock has stopped. One can also not remain in a Super State/Hyper State during this phase.

After eight hits, the Egg Mobile will explode, followed by the Death Egg itself, and the Master Emerald will drop onto the platform next to the player’s character, marking the end of the fight. After that, one of the following things will happen, each of which depends on the player's progression through the game and their chosen character for the boss fight:

  • If the player has chosen Sonic as the playable character, and is in possession of all of the Chaos or Super Emeralds, the game will progress to The Doomsday Zone.
  • If the player has chosen Tails or Amy as the playable character, or is using Sonic and has not collected at least all seven Chaos Emeralds beforehand, the game will progress to the corrsponding ending.
  • If the player has chosen Knuckles as the playable character, the game will crash and restart to the title screen without an ending sequence, due to how he is not supposed to actually fight the Giant Eggman Robo under normal circumstances.
    • In the Sonic Origins release, the corresponding ending for Knuckles will play instead, depending on whether the cheat code to get all the Chaos Emeralds was used or not.

Trivia

Music

Name Artist(s) Version Length Music track
"Boss The Boss" Sega Sonic the Hedgehog 3/Sonic 3 & Knuckles 1:50
Sonic & Knuckles Collection "FM Synthesizer" 1:42
"General MIDI" 0:57

Trivia

  • The Giant Eggman Robo's Japanese name, "Kyodai Eggman Robo", meaning Great Eggman Robo, comes from kyodai, meaning "huge", and its appearance resembling an EggRobo.
  • Only the upper part of the robot's body is ever visible; the lower body, legs, and arms are never shown.
Kyodai-Eggman-Robo-Sonic-&-All-Stars-Racing-Transformed

A Giant Eggman Robo-like droid in Sonic & Sega All-Stars Racing.

Gallery

Sprites

Gallery

Screenshots

References

  1. ↑ Flynn, Ian; Sega (8 December 2021). Sonic the Hedgehog Encyclo-speed-ia. Dark Horse Books. p. 55. ISBN 978-1506719276. "Bosses: Act 2 - Giant Eggman Robo. The towering mecha attempts to crush you under its fingers. Smash them apart, and Dr. Eggman begins chasing you, using the Master Emerald to power a devastating laser while its "nose" acts as a flamethrower. After its destruction, Dr. Eggman tries to flee. Chase him down as the last of the Death Egg falls the pieces beneath your feet!"
  2. ↑ (in Japanese) ソニックメガコレクション最強攻略ガイド. Shogakukan. 1 March 2003. p. 188. ISBN 978-4091060907.
  3. ↑ 3.0 3.1 (in Japanese) ソニックジャム　オフィシャルガイド. SoftBank. 2 October 1997. p. 90. ISBN 978-4797303377.
Playable characters Sonic (Super Sonic) · Knuckles (Super Knuckles) · Amy* (Super Amy*)
Non-playable characters Eggman · Tails · Rock Drill · Mecha Sonic Mk. II (Super Mecha Sonic Mk. II) · Animals (Flicky, Pocky, Pecky, Cucky, Ricky, Rocky)
Zones Mushroom Hill Zone · Flying Battery Zone · Sandopolis Zone · Lava Reef Zone · Hidden Palace Zone · Sky Sanctuary Zone · Death Egg Zone · The Doomsday Zone · Special Stage · Bonus Stage
Enemies Blaster · Butterdroid · Chainspike · Cluckoid · Dragonfly · EggRobo · Fireworm · Hyudoro · Iwamodoki · Madmole · Mushmeanie · Rock'n · Sandworm · Skorp · Spikebonker · Technosqueek · Toxomister
Bosses Mid-bosses Hey Ho · Gapsule · Laser Prison · Guardian · Heat Arms · Egg Wrecker · Egg Bouncer · Red Eye · Death Ball
Zone bosses Egg Scrambler · Egg Hanger · Egg Golem · Egg Inferno · Knuckles · Mecha Sonic Mk. II (Super Mecha Sonic Mk. II)  · Giant Eggman Robo · Final Weapon
Moves/techniques Bound Jump · Crouch · Double Jump · Drop Dash* · Fireball Spin Dash · Glide · Insta-Shield · Punch Attack · Spin Attack · Spin Dash · Spin Jump · Wall Climb
Gimmicks and obstacles Bomb · Booster · Bumper · Capsule · Cloud · Crusher · Electrical emitter · Elevator · Fan · Fire · Fireball · Flipper · Goal · Goal Plate · Gravity Control Switch · High-speed warp tube · Iron ball · Jump Stand · Lighting switch · Magnetic sphere · Movable box · Mushroom · Pole Elevator · Reverse · Ring Shooter · Seesaw · Sinking pool · Sling Shot · Slot machine · Spikes · Spring · Star Post · Switch · Transport · Warp Point
Items Chaos Emerald · Continue · Giant Ring · Gumball · Item Box (1-Up, Aqua Shield, Eggman Mark, Flame Shield, Invincible, Power Sneakers, S, Super Ring, Thunder Shield) · Ring · Sphere · Star Circle · Super Emerald
Music Sonic & Knuckles • Sonic the Hedgehog 3
Other Altar of Emerald · Death Egg · Death Egg saga · Debug Mode · Floating Island · Life · Lock-on technology · Loop · Perfect Bonus · Sonic & Knuckles Official Game Book · Tornado · Tunnel
*Appears in re-releases only
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