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.

See also

• Mecha Sonic MkI (8-bit)
• Mecha Sonic MkII
• Metal Sonic
• Shard the Metal Sonic
• Metal Sonic 3.0

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