When enchanted. P. Def. Increases by 1 for S-grade armor and accessories. Starting at + 4. P. Def. Increases by 3 and a HP bonus is granted. Enchanting is safe up to + 3. but one-piece body armor can be safely enchanted up to + 4. If enchanting fails. the item will not be crystallized but the enchant value will be reset to 0. Cannot use on armor or accessories above +30.