Vampire melee: A power set focused on causing bleeds and siphoning blood to heal/buff the player and debuff enemies.
Swiping Claws; Pb-frontal aoe that does moderate damage and leaves a bleed effect for additional dot.
Draining Aura: Activate an aura that causes any targets with a bleed effect to take additional DoT and heal the player for the damage done.
Sonic Bat Swarm: Calls forth a large swarm of bats that swirl around an area doing moderate damage and debuffing accuracy and resistances
Sanguine Despair: Calls forth a murky cloud of blood from bleeding enemies causing fear and panic. Enemies are slowed and take additional damage from blood powers.
Tap the Vein: Focus draining one enemy for massive damage leaving the player completely healed and removes any debuffs while boosting damage. (long cool down)
Mist Form: When in danger the player can turn into a mist preventing damage, but can not take any actions.
Creeping Shadows: Being one with darkness the player can command the very shadows of his enemies to attack them. High damage no bleed effect.
: Permanent aura that places a portion of the over healing from blood draining ( Tap the Vein, Draining Aura) into a regeneration buff.Insatiable Thirst
I have thought of a few others that I will add later once I've thought about them a little more.