I don't think this is on here, but i couldnt search( stupid lazy leecher debuff). Anyway, it might be common sense, but I found it nice. I'm an afflic lock, and since I get mana everytime i get a soul shard this helps me alot. I really don't use drain soul for the damage, just the mana and shards, so I switched my 70 rank one to lvl 10 one, get same shard, get same 1400 mana, but for only 55 mana instead of like, 200, this has helped me a lot since I usually pull of m VW and I use all my mana getting drain soul interuppted.