Codifies the common law regarding liability of a possessor of land relating to an individual trespassing on the possessor’s land. Provides that a possessor of real property, including an owner, lessee, or other occupant, or an agent of such owner, lessee, or other occupant, owes no duty of care to a trespasser except to refrain from harming the trespasser by an intentional, willful, or wanton act.