The Talent Choices

First Tier
The first layer is to allow you to choose a self-treatment skills.
Dark regeneration you restore blood and improve the effect of treatment you received for 12 seconds, and also restore the blood of your baby, 2 minutes CD.
The Soul Leech this is a passive skill so that you can get the main output skill damage 10% of the therapeutic dose
Life harvest strengthen skills, life lessons to cause a aoe injury and treatment you 3% to 4.5% of the value of life, affecting up to 20 enemies.
Situation choice, the the dark regeneration can provide instant treatment to cope with the sudden, Soul Leech is the best because a steady stream of providing treatment to you, life harvest only enough enemy was selected.

Tier

The second layer of talent available to you control skills
Howl of Terror to 5 enemies within 10 yards flee in fear for 20 seconds, cooling 40s.
Death Coil is both a control skills, is a self-treatment skills to make an enemy to flee in fear for 3 seconds, and treatment for 15% of your maximum health, cooling 45s.
The Shadow Fury dizziness all enemies within 8 yards for three seconds.
Death Coil is preferred, because the control back to the blood, if you need to group control, then they would choose fear howling or Shadowfury of, depending on your raid allocation.

Third Tier

The third layer provides damage reduction
Soul connection is activated by the injury and treatment will be you and your demons sharing, but you devil value of life will be reduced by 50%. Cast the spell again will cancel the effect.
The expense of the the deed your demon minions to sacrifice half of the current value of life, you impose a shield to resist damage, the total value of the shield can absorb damage equivalent to 200% of the value of the sacrifice of life. For 10 seconds. If you do not demon minion, you sacrifice your own life values
Dark transaction resist all damage for 8 seconds. Shield disappears after 8 seconds, the harm numerical equivalent is blocked 50% of the injuries.
The dark trading seemed best talent, because he allows you to avoid a lot of damage from the raid at the crucial moment, this talent can make the boss caused a lot of damage instantly smooth treatment so as to reduce the pressure, or open this skill allows the treatment of your group can focus on the more important at a critical moment.
Soul Link can be used for the entire process will be hurt when the expense of the contract can be used for some of the harm you often the boss.

Soul Link can be used for the entire process will be hurt when the expense of the contract can be used for some of the harm you often the boss.