Cell regeneration. It works on everything from physical injuries to chronic conditions to major trauma, though the latter I'm gonna need to take things slow. It tires me out if I go at it for too long. I haven't tested the limits of it yet, but I bet I can grow back limbs if I really needed to. If it has cells, I can fix it.

[It also means that she can't keep her own health condition under control with her powers when she's using them on others, but that's a detail she doesn't need to share right now.]