[Yeah, well, sometimes you logically think "scratching on the door won't get me out" until you're totally desperate. It's not like there's any more blood hiding under the cables.]

[... he pauses to shuffle aside some of the cables by the door and double-check.]

If we don't get out of here by then we'll start sacrificing limbs.

[this is Helpful]

I can probably go without my left arm but then you'll have to give one.