Curse Spirit

Necrotic Flame: A burst of black flames that shoot in a 30ft cone dealing 4d12+8 necrotic damage. Double damage on any living creatures and half on undead.

Flurry of Blows: A surge of physical attacks with a range of 5ft that deals 5d8+6 bludgeoning damage. Can not be used if Death's Scimitar is summoned.

Death's Sweep: Summons Death's Scimitar that does not disappear until commanded. Deals 3d6+8 slashing damage and deals an extra 1d8 necrotic damage at the start of its turn to every living creature it has hit.

Tail Whip: Uses the spiked tail to whip a creature within 10 ft dealing an initial 2d8 force damage. Creature then must make a strength save of 22 or be grappled until it escapes. At the start of each turn a creature is grappled it takes 2d6 necrotic damage. 

Shadow Summon: A Shadow Raven or a Shadow Dyre Wolf is summoned to the battlefield which cost a 88 HP. Each creature has specific abilities as follows. Shadow Wolf has 100 HP, 18 AC, 30 ft of movement, 2 attacks per turn: Bite-3d8+6, Claw-3d12+8; Shadow Raven has 70 HP, 26 AC, 60ft of flying movement, 1 attack per turn: Dive, 2d12+8, Analyze, allows allies an insight into a visible enemy and grants them advantage on the next five turns.

Simple Domain Expansion: Creates a simple domain within a 50ft radius. Every creature within takes 2d8 necrotic damage. Terrain disappears and only a void of pure darkness takes its place. HP is restored to Max and can deal an extra two attacks while within Domain.