in dungeon

first : Is it normal that i can use cure anywhere as Archer but when i'm in dungeon its say cannot use as current class.

second : What wrong with Disiple of War gear ??? i did 20 run of Haukke Manor trying to farm for all Unique/untradable green ... but i only can greed on Tank and mage gear and not getting any gear for my Archer ..the only gear i saw was a Green Bow ..but we had another Archer on team and he got higher then me so i didnt get it. but on a 20runs .. just one 1 good drop. and even at other dungeon its was rare i was getting a Disciple of War armo