[He watches her swing and produces Caldescratch from his sylladex. It's been a long time since he wielded a proper blade but his body remembers. He steps back and the blade snaps from broken to reforged.]

You have to watch your loops, if one isn't complete than the rules say that one doesn't exist. Only they do so, they're killed. Time isn't about to let loose ends hang around long. If one loop in a series doesn't complete-

[He turns and swings his blade. It's clear that he knows what he's doing as he falls into the speed game. The strikes at the air are slow at first, but speed up in a layered effect.] They all die.

That's what a doomed timeline is. The ones that time decides aren't necessary.

[The other Daves moving about their business all pause then one by one they warp out, knowing in their loops their lingering in this talk is done.]