Plant Shape II

School transmutation (polymorph); Level sorcerer/wizard 6

This spell functions as plant shape I except that it also allows you to assume the form of a Large creature of the plant type. If the creature has immunity or resistance to any elements, you gain resistance 20 to those elements. If the creature has vulnerability to an element, you gain that vulnerability.

Large plant: If the form you take is that of a Large plant, you gain a +4 size bonus to your Strength, a +2 size bonus to your Constitution, and a +4 natural armor bonus.