You should be able to steal the lamp from the Genie for half xp if the player isnt looking : r/2007scape
Ragnarok Online Mobile Diaries: Collectible : Magic Lamp Legend
RuneScape - Have a bunch of bonus XP stockpiling up? Smouldering Lamps could be your new best friend. They work like normal XP Lamps, but with one key difference: They transform bonus