Aversion of Fire. If the Boneturner takes fire damage, it has disadvantage on attack rolls and ability checks until the end of its next turn.

Immutable Form. The Boneturner is immune to any spell or effect that would alter its form.

Magic Resistance. The Boneturner has advantage on saving throws against spells and other magical effects.

Magic Weapons. The Boneturner's weapon attacks are magical.

Boneturning. The Boneturner may, as an action on it's turn, reach into the body of an incapacitated creature and pluck out it's bones and add them to it's form. If the creature has bones and is alive it suffers 15 (2d10+4) necrotic damage. Whether the target is alive or dead the Boneturner heals for half the amount rolled.