Incorporeal Movement. Wra'pala can move through other creatures and objects as if they were difficult terrain.

Sunlight Sensitivity. While in sunlight, Wra'pala has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Indomitable form. Wra'pala's metallic form has resistance to slashing & piercing damage from non-silvered magical weapons

Ghostly Generator. Wra'pala extrudes a ghostly aura of 60 feet, all creatures that fully die within the aura must make a DC 16 Constitution saving throw, rising as a ghost under Wra'pala's control on a failure.

Life Drain. Melee Weapon Attack: +6 to hit, reach 15 ft., one creature. Hit: 21 (4d8 + 3) necrotic damage. The target must succeed on a DC 15 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.

Create Wraith (Recharge 5  6). Wra'pala targets a humanoid within 30 feet of him that has been dead for no longer than 1 hour that died violently. The target's spirit rises from the corpse as a wraith in the space of its corpse or in the nearest unoccupied space. The wraith is under Wra'pala's control. Wra'pala can have no more than five wraiths under his control at one time.