https://cases.gg/item-upgrader
Pokemon GO Upgrade Items and Components An is an item that makes certain Pokemon develop. The Upgrade is obtained by spinning a PokeStop photo disc. It's sometimes given as a prize in Pokemon GO events. Upgrades can be used on armors, weapons, trinkets, and gathering tools in order to raise their item level. The upgrade cost Flightstones and crests, dependent on the type of item. Upgrade components Upgrade components can be inserted into armor, weapons, trinkets, and gathering tools to give bonus effects or attribute bonuses when the equipment is utilized