Voidform: Voidbolt > Mind Blast > SW:D [2 stacks. Not if 1 and VF won't drop AND MB is off CD] > DoT new targets > Filler. Fiend depends on StM or not, your stacks of Lingering Insanity and your haste. More is better.
I think the Titan within Azeroth maybe a lady Titan. Just speculation though based on the Magni comic. He refers to "her voice deep within Azeroth" and I doubt he means the Stone Mother as he would of just said her name.