Pulled from another thread:
http://www.mmo-champion.com/threads/...#post11334223\
source:
Original Post: http://us.battle.net/wow/en/forum/to...88724#new-post
Direct Link from Wowhead: http://ptr.wowhead.com/search?q=T12
warlock t12 set bonuses:
Warlock
DPS:
2-Piece - Your periodic damage has a chance to summon a Fiery Imp to assist you in battle for 15 sec.
4-Piece - Your Shadow Bolt and Incinerate spells have a 5% chance to increase all Shadow and Fire damage you deal by 20% for 8 sec.
hmmmm..... thoughts???