Elemental Shield

You evoke a roughly 2 foot disc of energy (acid, cold, fire, lightning, or thunder) in your off-hand which lasts for the duration of the spell. If you let go of the shield, it disappears, but you can evoke the blade again as a bonus action.

You gain +2 AC while the shield is active, and whenever a creature within 5 feet of you hits you with a melee attack, they take 1d6 damage of the chosen element.

This spell can be combined with Elemental Blade for maintaining Concentration checks.

At Higher Levels: When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d6 for every two slot levels above 3rd.