铁剑更好的机制，对于没有护甲的玩家造成20%的伤害增幅，1秒的中毒（耐久少于一半时的效果）如果穿着的是皮革甲则加快耐久消耗

Enhanced mechanism for the iron sword, inflicting 20% amplified damage to players without armor and applying a 1-second poison effect (when durability is below half). If the player is wearing leather armor, it accelerates durability consumption.