添加全套绿宝石工具/盔甲及熟练度系统。工具，武器，盔甲使用越久越强。添加升锻台，可以升级工具/护甲材质，如石制到铁质等等，早期测试中 Add full set of emerald tools/armor and a proficiency system. Tools, weapons, and armor grow stronger with more use. Add an Upgrade Forge to upgrade tool/armor material, e.g., stone to iron