New tank.Follow

ok so im gunna be returning to the game pretty soon and ive been doing some research and i have a couple questions regarding buffs since ive been gone for about 3 years now, does the hp/pow gem from dtt stack with all other buffs? if so ive pretty much found a way to get a human def with 14646 hp and 7224 ac, 1480 cms and bellow path. any feedback would be great, if you want to pm me about the websites i found my info id be more than happy to share
-Thanks