ed both of the junior skill stones on Copper Skin Iron Bones as well.【Copper Skin Iron Bones (Level 6)] : Passive Skill, Endurance 30, Strength 30, Damage Received Reduced by 30 points.The 6th-grade...their own attribute boosts, they have almost 2,000 HP.Moreover, its value for money in terms of stamina is higher than blood, not to mention the bonuses to strength, attack, and attack speed attribute...