Vampir

Undead Constitution: When the Vampir drops to 0 HP, it may max a DC 20 Constitution save, on a success dropping to 1 HP, and making 1 bite attack against a creature within 5ft healing for twice the damage dealt

Spider Climb: Vampir may walk on walls and ceilings as if they were the floor.

Toughened Skin: Vampir adds its Constitution to its AC

Multiattack: Vampir makes 4 attacks, Two Claw and Two Spike, the vampire may replace one of its Spike attacks with it's Bite if its grappling the target.

Bite:  +10 to Hit, one target, 5ft, 4d12+5 Necrotic Damage, healing for half the damage dealt.

Claw: +10 to hit, one target, 5ft, 2d6+6 Slashing Damage, on a hit target makes a contested grapple check.

Spike: +10 to hit, 10ft, one target, 1d8+6 Piercing damage, and a DC 17 Con save or 4d8 Necrotic damage and become stunned for one round.

Bloody Step: Teleport up to 30ft, appearing as a bloody cloud of mist, each creature within 5ft of where the Vampir appear makes a DC 17 Con save, taking 4d8 Necrotic damage on a fail, or half on a success, the Vampir heals for half the amount of total damage this deals.

Exsanguinate: Can only be used while Vampir is bloodied, as a reaction the Vampir can take 1d10 damage that cannot be prevented  and Expel a cloud of bloody mist in a 10ft radius from itself that lasts until the start of its next turn, this area is considered heavily obscured, and attack originating from the area have disadvantage except the Vampir's own.

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