The Kalphite Queen is a powerful boss in the game Old School RuneScape. When defeated, she drops a variety of valuable items, including the Kalphite Queen's head, which can be used for specific quests and tasks. Other notable drops include the Kalphite Princess, Kalphite workers, and various rare items that players seek for their usefulness in combat and crafting. In addition to these unique items, the Kalphite Queen also drops a range of resources such as Kalphite shards and Kalphite essence. These materials can be used for various purposes, including crafting and trading, making her a popular target for players looking to enhance their gameplay experience.