Ethereal Bind

Grasping the remains of an incorporeal undead you magically bind it in place. When you cast this spell the target is instantly restrained and frozen in place, forced to appear in the Material Plane. If the target attempts to travel to the Ethereal Plane while under the effects of the spell it must make a Charisma saving throw against your spell save DC, on a success the creature travels to the Ethereal Plane and is freed from this spell.

While under the effects of this spell the target is still able to speak and take the attack action on its turn. If restrained the target has disadvantage on all attacks against the caster.