Potion of Cold Retaliation (Major)

Activate 1 (manipulate)For 1 minute after drinking a potion of cold retaliation, you glow with a faint aura of cold energy, and a creature that touches you (such as by making an unarmed attack or using a spell with a range of touch against you) or is adjacent to you and hits you with a melee weapon strike takes cold damage. The aura deals 4d8[cold] damage.