Protection From Energy

3rd-Level Abjuration Spell (Artificer, Cleric, Druid, Ranger, Sorcerer, Wizard)

Casting Time: Action
Range: Touch
Components: V, S
Duration: Concentration, up to 1 minute

For the duration, the willing creature you touch has resistance to one damage type of your choice: acid, cold, fire, lightning, or thunder.

Source: Player's Handbook, p. 270