"That's the only form of it that exists where I come from... though, we've got some things that make sure you can heal nearly from anything." Luke turned his cybernetic around, twisting his hand around the wrist.

"Of course, not everything. Organs are easier to heal or regrow on a small scale than whole limbs, for example."

Nodding thoughtfully, Luke repeated it, though without any pressure at all, just to make sure he had got it.

"Hopefully it won't, but I'll definitely come to you if I need it."