this practically demands to be animated, followed by the rest of the fight.

At the very least, evey_w ought to draw it for us. She's getting quite good at fight scenes and sunset lighting these days.

pain in the ass = 面倒くさい, which I translate in other places as "bother" or "hassle" depending on the context. Shannon has kind of a rough way of speaking, though, and so pita for him.