Thermodynamic coating

Coats yourself in a simmering hot magic layer , without a heavy armor or a resistance to fire damage , deals 1d2 damage to self or the enemy when it's part of a body touches your armor. Effect can last for as long as a hour and gives +1AC , but if the spell blocks the incoming water attack with a level 2 or lower , the spell ends. Can only be used again 12 seconds later.