Elemental Ruination

7-level Transmutation

Casting Time: 1 action

Range/Area: 90 feet

Components: V, S

Duration: Concentration, up to 1 minute

Choose one creature you can see within range, and choose one of the following damage types: acid, cold, fire, lightning, or thunder. The target must succeed on a Constitution saving throw or be affected by the spell for its duration. The creature loses any resistance or immunity it has to the chosen damage type, and gains vulnerability to it, until the spell ends.