Players can buy two dragonbone upgrade kits every four hours from the Grand Exchange, or can obtain them as a drop from the Queen Black Dragon. If purchased from the Grand Exchange, each dragonbone upgrade kit is , with the total cost of five upgrade kits being . Once upgraded, the robes cannot be traded or sold on the Grand Exchange. However, the upgrade kit can be removed at any time via a right-click option, reverting the item to its original form.