Electromagnetic armor

The caster manipulates and amplifies the electromagnetic fields generated by his armor, repulsing attacks and generating electric discharges. You gain 5 temporary hit points and cause 5 lightning damage to any creature successfully attacking you. The spell lasts until loss of concentration or until one hour time.

If 2nd or higher spell slot is used in casting it adds 5 temporary hit points and 5 damage for every level of slot.