The target immediately becomes addicted to the drug used during the casting of the spell (see drugs and addiction). If the target was ever addicted to the drug at any point in the past, it takes a –4 penalty on its saving throw.
Any time you take piercing or slashing damage, a spray of acidic blood
spurts from your body in a 10-foot line, in the direction of the opponent who inflicted the wound, dealing 1d6 points of acid damage per caster level (maximum 15d6, Reflex half). This damages the first creature or object it touches, with no splash damage.
As scale spikes, except that the spikes growing out of the scales have an enhancement bonus on attack and damage rolls equal to +1 for every 4 caster levels (maximum +5). This bonus does not allow the spikes to bypass damage reduction aside from magic.