Apocalypse ray

a pencil thin beam is cast from the caster's pointing finger towards the target. upon contact with the target, the spell deals 4d6 fire, lightning, cold, poison, radiant, necrotic, acid, force, and thunder damage(36d6). if the target is killed by this spell, all trace that it ever existed ceases to be aside from the caster's memory. dc18 dexterity saving throw to dodge.