The usual.

[Mukuro turned away from him to start washing out the priest's cup, hiding his smirking, almost triumphant expression from the mortal. Just the fact that he was asking tasted like victory, and Mukuro was fine with doing a small good deed if it would help contribute to a very bad one in the long run.]

Anything that would interfere with my fellow brethren's plans, restoring someone's faith in god, or a task that would be considered large scale.

[He paused, moving to dry both of the cups.]

You can make a list if you desire.