The Chaos Emeralds are the main power source of the super transformation. They are extremely powerful. There are 8 of them, including a Master Emerald.
They insist of 8 colors:
- Light Blue
- Green (Master Emerald)
The Chaos emeralds have a appeared in several Sonic games, first being Sonic the Hedgehog (16-bit). The super transformations first appeared in Sonic the Hedgehog 2 (16-bit) , as the first was Super Sonic. The chaos emeralds have appeared in almost all Sonic games.
- The chaos emeralds have been absent very few times in the series. Some games where they are absent include SegaSonic the Hedgehog, Sonic CD, and Sonic Eraser.
- Originally, the chaos emeralds were only used to get a good ending.
- Additionally, only 6 chaos emeralds were present in Sonic the Hedgehog (16 bit), and to sort of copy off of the DragonBall series, a seventh one and the super transformations were introduced in the sequel.