A force of Metarex Vipers were assigned to a planet conquered by the Metarex to manage a facility that was producing fake Chaos Emeralds for the Metarex war effort. This facility was discovered by the crew of the Blue Typhoon, who engaged the Vipers in battle and claimed the Chaos Emerald.
Powers and abilities
The Metarex Vipers were evidently not among the more powerful Metarex, as they could be destroyed without the use of the Sonic Power Cannon.
- The Metarex Vipers resemble robotic versions of the mythical Nāga.