[He probably should have expected that, and still, lying there in forming pool of his own blood, the kekkai around them lingering like there's more to come even with that creature gone... even like that, his eyes are fixed with however much focus he can manage in the darkness, on Bucky. He doesn't miss the unforgiving manner in which he dispatched that creature. The meaning of it.
Trying to find his voice again is just about as painful. Hah...]
That's... overkill, wasn't it...?
I'm sorry.
[Maybe that's not funny. But nothing about any of this would be. You probably don't want to hear an apology and yet it feels like the only appropriate thing otherwise.]