It Doesn't Even Need a Called Shot
We find the Beholder in its lair, but doesn't take too kindly to our asking to have one of its eyes. As we find ourselves rather at a disadvantage, we have to adjust our tactics, resulting in Krunch pulling out a Longbow that no one knew he had.
'This doesn't get much use, but here goes nothing.' Despite his rustiness with ranged weapons, the arrow flies true, getting a solid hit on the target. 'Hah, in your face!'
'Where else is it going to hit a Beholder?'