Name: Back booster

Ability: The user has a turbine-like protrusion on their back that lets them boost at high speeds.

Type: Mutant

Sorry for the late upload! I was out all day so I couldn't publish anything. And no, I'm not staying at my grandparents this week since I'm ill (not with COVID, just a cold that's knocked me for my senses lol) so you'll get your regular uploads. Enjoy!