Actually the best tool we could use I guess that would be something like a "item finder" (like the AH one) that tells the mobs that drop that item and maybe the location of the mobs. Plus it would be great to have a "mob finder" where we can see what a specific mob can drop.
Actually I was looking for some Rare loot for CW max level 18. So I thought to run The Cloak Tower in Normal. I've made it 3 times and the bosses always dropped the same items: Makred the Foul dropped 3 times Tribal Bracers, Throg the Ravenous 3 times the Club of Ogrekind, and Vansi Bloodscar dropped 1 Boots of the…