Brooch — is a unique accessory that has its own slot in the inventory. Brooch slot can be filled with jewels that give various buffs. All brooches and jewels are No-Grade items. Brooches unlock jewel slots when they are equipped in an appropriate slot. Depending on brooch's level, it can unlock to 6 slots. Unlocked slots can be filled with jewels which grant various buffs To install a jewel, equip a brooch, then double-click on a jewel in your inventory (or press RMB