Crush Organ

One target within range must make a constitution saving throw. On a failure, it takes 5d10 necrotic damage gains the poisoned condition for 1d10 minutes, and takes an additional 3d8 necrotic damage on the start of its next turn. On a success, the target suffers half the initial damage and gains the poisoned condition for 1 minute. Undead, plants, and constructs cannot be affected by this spell.