Powerful thorny vines rip out of the ground siezing all enemies in the area. Enemies save vs Reflex or become entangled, with a reoccuring Strength save to break free. Targets also take 1d6 in piercing damage every 2 seconds. All enemy movement through the area is slowed by 30%, no save. Area of effect fire spells will destroy these vines and free any entangled creatures. Incorporeal creatures and oozes are naturally immune. Fire elementals and other fire creatures are immune because they burn through the plants.