Chaos Crystal

The Chaos Crystals are objects that appear in Sonic Boom: Rise of Lyric. They are a set of nine crystals with mysterious powers which the evil Lyric is after to power his robot army to destroy all organic life. To stop Lyric's plans, Sonic the Hedgehog and his crew seek to obtain the Chaos Crystals before Lyric. Each Chaos Crystal is protected by the Crystal Guardians.

One of the main objectives of Sonic Boom: Rise of Lyric is to collect all nine Chaos Crystals.

Trivia

 * The Chaos Crystals share many similarities with the Chaos Emeralds. Both possess the word "Chaos" in their name, are important story elements and are needed to be collected to progress with the story.