What is Your Choice

Blood of fear instead of fear, fear of the enemy immediately, it ran away, and for up to 20 seconds. Consume 10% of the maximum value of life, 10 sec cooldown.
The deflagration sprint consume 4% maximum health per second, so that your movement speed by 50%
No arrest will to purify all magical effects and movement impairing effects and all the lead roles uncontrolled effect .1 minutes cooling, consume 20% of the maximum value of life.
I believe that everyone will feel no arrests the will is the best choice, he can release harmful magic effects in the raid, and movement impairing effects and all of your role uncontrolled effect Note that if you are an individual category Warlock, then self-interest can be done and almost no arrests will of functionality, but no arrests will can release harmful magic, not self-interest.
Deflagration sprint might occasionally used it, the blood of fear in pve hardly expect to use

Tier 5

Grimoire: the evil governing summon more powerful baby, causing an additional 20% damage
Grimoire: evil minion summon a second baby temporary summon baby uncontrolled and will attack your current target.
The Grimoire: Demonic Sacrifice you sacrifice your own demons and its ability to strengthen its own most single target spells, so that it caused damage increased by 25% to 50%. Addition, every five seconds, you recover 2% of maximum health for 1 hour. And you get the skills of your baby.
No doubt, painful sacrifice to use

Tier 6

Tier 6 is selected according to the circumstances can increase your DPS
Archimonde revenge cooling: 2 minutes active: curse an enemy, to withstand all damage taken by (25)%. For 8 seconds. Passive: attack your enemies be back to bite injury, an amount equal to 5% of its damage to you. The effect of cooling is not available.
Kil'jaeden cunning cooling: 1 minute initiative: while on the move, you can cast and guide spells for 6 seconds. Passive: move you can cast boot magic, but to do so will make the cast time or boot cycle 50% longer. Each cast will make your movement speed reduced by 10%, stacks up to 2 times. The effect of cooling is not available.
Mallory Northrop's rage range of 500% damage spells to extend the radius of influence.
All talent need to look at the situation chosen, Kil'jaeden cunning apply to the a large number of mobile fighting Mallory Northrop's rage loose apply to enemy AOE fighting the, Archimonde Revenge chosen is when you will been unable to avoid injury when (the soul link into effect, then the pet damage will be rebound)