When enchanted, P. Atk. increases by 3 for B-grade one-handed swords, one-handed blunts, daggers, spears, and other weapons. P. Atk. increases by 4 for two-handed swords, two-handed blunts, dualswords, and two-handed combat weapons. P. Atk. increases by 6 for bows. M. Atk. increases by 3 for all weapons. Starting at +4, P. Atk. / M. Atk. bonus double. Enchanting is safe up to +3. If enchanting fails, the item will not be crystallized but the enchant value will be reset to 0.