What powers should angels have in a paper rpg?

In my game, angels are agile and swift, intelligent, but are very bad at not taking orders. What spells or abilities should they have? And how would the flying mechanics work?

This is a pen and paper rpg, using d6′s as skill checks. It is about demons vs. angels but not the ones in the bible.us When a player dies, they go to purgatory and can be saved within 1 day, etc. Any ideas?