Vibrant Thorns

Your body sprouts a coat of brambly thorns that thrive on life magic. Adjacent creatures that hit you with a melee attack, as well as creatures that hit you with unarmed attacks, take (@item.rank)[piercing] damage each time they do. Anytime you cast a vitality spell, the thorns' damage increases to (@item.rank)d6[piercing] until the start of your next turn. Heightened (+1) The damage increases by 1, or 1d6 after you cast a vitality spell.