Power Word Kill

9th-Level Enchantment Spell (Bard, Sorcerer, Warlock, Wizard)

Casting Time: Action
Range: 60 feet
Components: V
Duration: Instantaneous

You utter a word of power that can compel one creature you can see within range to die instantly. If the creature you choose has 100 Hit Points or fewer, it dies. Otherwise, the target takes 12d12 Psychic damage.

Source: Player's Handbook Playtest 6