Hollowfication

You can use a Bonus Action once per long rest to have a ghoulish mask appear on your face for 1 minute. While the mask is on, you gain a +2 bonus to AC,  and you gain the following action

Getsuga Tensho. Melee or Ranged Attack Roll: +3+your proficiency bonus+your Wisdom modifier to hit. Hit: 39 (6d12) Necrotic Damage.