Turn to Dust

You touch a creature or object and attempt to decompose it into particles of raw materials. Make a ranged spell attack against the target. If the spell hits, it ha sthe following effects:

• A living creature must succeed a constitution saving throw or take 10d8 necrotic damage, turning instantly to dust if it is reduced to 0 hit points by this damage.
• A non-magical object or corpse that can fit in a 5 foot square turns to dust, preventing the corpse from being ressurected.