> **School:** Transmutation, Osteomancy > **Casting Time:** Action > **Range:** Touch > **Components:** V, S, M (a porcupine's carapace) > **Duration:** [[Concentration]], up to 10 minutes You touch a willing creature, forcing spiked bone plates to grow and pierce through its skin. It takes 1 Piercing damage. For the duration of the spell, the first time each turn that the target is hit with a melee attack roll, the attacking creature takes 2d4 Piercing damage. **Using a Higher-Level Spell Slot.** The damage the attacker takes increases by 1d4 for each spell slot level above 1. If you use a level 5+ spell slot, the spell doesn’t require [[Concentration]], and the duration becomes 10 minutes. **Classes:** #Warlock, #Wizard