Death Magic: 15 (11+3+1)
Blood Magic: 13 (12+1)
Soul Reaping: 7 (6+1)
Death Magic: Aura of the Lich (elite), Dark Aura, Consume Corpse
Blood Magic: Touch of Agony, Dark Pact, Blood Renewal, Life Syhpon
Other: Ressurection Signet
Weapon and Armor:
The best choice for armor is Scar Patterns because they add bonus energy which is quite important in this build.
For weapon use Staff with bonus to energy and longer enchantments. Staff should have "Improve skill cast/recharge using Blood Magic".
How to play:
Don't cast any of auras before opponents start to attack. When you see them attacking cast AoL and then DA. With "Enchantments last longer 20%" they should last for 54 and 36 seconds which is enough to kill.
Remember that you inflict shadow damage so you don't have to take care about opponent’s armor. If you have Warrior in your team, let him attack opponent Monk (if they have one) and in meantime kill someone. Without healing no one will survive almost 500dmg in 6 seconds.
But watch your health bar all the time because DA deals damage to you as well. Try to cast Siphon before fight to have regen. Regeneration is very effective with AoL (degeneration too!), so if you only have chance cast BR, which gives you +6 regen and after 10s 180HP. With such a big regen there is small chance that you would die in beginning of fight.
When you see white sparks around you cast CC, because that means someone died and CC gives energy!
And most important. Watch always on your enchantments. You need to have AoL to use DA. Sacrificing is also damage and because of that it's also halved.