Huge XP lamps can be purchased from the Waiko Reward Shop run by Boni on Waiko for 6,400 chimes. Additionally, one is awarded upon completion of the Ghosts from the Past tale of the Arc. It can be used on your choice any of the following skills (all of which are associated with Player-owned ports): * Agility * Herblore * Fishing * Thieving * Cooking * Prayer * Runecrafting * Slayer * Construction * Hunter * Dungeoneering * Divination The experience granted is the same as the huge skill-specific lamps from the reward shop.