Zunimassa by affekopp

Tier 1 (1):
Languish: Increase the radius of Soul Harvest by 30%
Honored Guest: Regenrate 2% of your max. mana and 3% of your max. health per second, while you are in Spirit Form.
Swallow your Soul: Your Basic Attacks extend the duration of Haunt by 1 second (max. 3 seconds extension)
Siphon: Soul Harvest now also heals you

Tier 2 (4):
Envenom
Gathering Power
Vengeful Spirit: Soul Harvest also deals Haunt's full duration damage to haunted enemies
Graver Injustice: Grave Injustice has 33% increased effect
Consuming Spirits: If at least one enemy is haunted, you regenrate 1,5% of max. health every second

Tier 3 (7):
Umbral Shock: When Spirit Walk ends, your body and your spirit errupt, dealing [55 + 6 per level] damage to nearby enemies
Lingering Spirits: Up to 3 spirits follow you for 8 seconds, when they are released and no new target is nearby, haunting the first enemy they encounter
Psychic Horror: Haunt now roots the initial target for 1 second
Vampire Grave: Grave Injustice now also restores health

Tier 4 (10):
Big Bad Voodoo
Manitou Spectre

Tier 5 (13):
Spell Shield
Jaunt: You can activate Spirit Walk again to teleport back to your body. Duration increased by 1 second
Resentful Spirits: Release 2 Spirits with every cast
Soul to waste: Soul Harvest's effect now also increase your Basic Attack damage

Tier 6 (16):
Blood for Blood
Poisoned Soul: Harvested enemies are vurneable for 3 seconds, taking 25% increased damage
Phobia: Stun haunted enemies for 1,5 seconds, when you harvest their soul and release a spirit, that haunts an enemy nearby, for each enemy stunned
Pierce the Veil: Activate to increase your ability power by 30% and mana cost by 45% (Zunimassa version of Overdrive)

Tier 7 (20):
Fetish Army: An army of 5 dagger-wielding Fetishes are attacking enemies around the dancing Fetish, 1 time replaceable extending the duration by 6 seconds
Improved Manitou Spectre: The Manitou Spectre can attack 3 enemies simultaneously