metal_sonic_kai
A supercharged transformation of Metal Sonic that first appears as the final boss in Knuckles' Chaotix. In this form, Metal Sonic is powered up by a massive Dark Ring, which causes him to become much larger and adopt a red, more menacing appearance compared to his standard blue form.
h4. See also
* Mecha Sonic MkI (8-bit)
* Mecha Sonic MkII
* Metal Sonic
* Shard the Metal Sonic
* Metal Sonic 3.0