Corpse Explosion

Target 1 Large or smaller Corpse or willing creature causing the creature or Corpse to explode in a 20 ft radius. The Creature must have died within the last 1 minute to be a valid target.

Every creature within range must succeed a DEX or receive necrotic damage equal to half of the maximum HP or the destroyed target and be knocked prone. On a successful save receive no damage and do not get knocked prone.

The corpse or creature is then disintegrated and cannot be brought back by anything besides a wish spell.