Tells you if you're character is missing anything important (arrows, shards, flash powder, throwables, etc) at login.
Gives a visual representation of aggro ranges with added tolerance and warnings.
Auto accept & turn-in for quests
Keeps track of all your characters rested xp %
Frees up a slot by discarding the cheapest grey in your bags. Ideal when in raid/dungeons and your bags are too full for that new blue that dropped!