🔩 Galvanize

You touch a creature coating it in a magic layer of zinc. Make a melee spell attack. On hit deal 1d4 lightning damage, and the creature takes 1d8 extra lightning damage if they take lightning damage for the duration of the spell. On a miss the creature is unaffected. The spells effect can be ended early by the affected creature taking acid damage. Only one creature can be galvanized at a time.