Black Bomb

The Black Bomb is a transformation technique which first appeared in the Wii U version of Sonic Colors. It is a Color Power gained by absorbing a Black Wisp and its Hyper-go-on, which turns the user into a giant bomb.

Unlike other Color Powers, the Black Bomb, along with the Black Wisp, only becomes available by obtaining it from the Miiverse. It can also be rewarded to the player by completing any of the DLC stages (Nightmare Zone, Yoshi's Island Zone and The Legend of Zelda Zone).

Appearance
When using the Black Bomb, the user transforms into a black, orb-shaped bomb. In Sonic's chase, his version of the Black Bomb has a small round dish with an ignited fuse on top of him, while on the front his eyes and mouth can be seen which glow purple. However, his eyes have lost their pupils and his mouth has become wider with serrated sharp teeth.

Powers and abilities
As the Black Bomb, the user becomes a living and incredibly dense bomb. The user's body density becomes greatly increased which make them extremely heavy and virtually invulnerable, allowing them to flatten any enemy. Additionally, the user is able to induce widespread explosions by making themselves detonate without causing themselves harm. Additionally, they can built up a charge to increase the size and power of their explosions.

The Black Bombs's only known weakness is that it can only be used for a few seconds and requires more Hyper-go-on to be maintained.

Gameplay
In gameplay, the player can only use the Black Bomb while in possession of a Black Wisp, but the transformation can only be maintained for as there is energy in the game's Wisp Gauge which starts depleting once Black Bomb is activated; once it runs out, Sonic reverts back to normal. The player can move the Black Bomb around by tilting the Wii U GamePad in the direction the player wants to move or by using the Left Control Stick.

As the Black Bomb, the player can instantly destroy enemies by rolling over them without any ill effects. Also, by destroying enemies, the Black Bomb will increase in size, thereby increasing its area of effect. Additionally, when the transformations (which is warned by the Black Bomb flashing red), Sonic reverts back to normal in a large explosion which will destroy all enemies caught within it. The explosion's area is determined by the Black Bomb's size.

Trivia

 * Unlike other Wisps, the he Black Bomb does not have an icon on the screen to activate it, nor can its duration be increased by obtaining more Black Wisps.
 * It should be noted that this Color Power acts similar to the Red Burst Color Power used by the Red Wisp from Sonic Colors. Its eyes also bears resemblance to the Purple Frenzy and Violet Void Color Powers.
 * The Black Bomb shares many similarities to the character Wonder-Black from the Wii U game, The Wonderful 101.