Zombie head
Large XP lamp (The Bird and the Beast) was removed from RuneScape after an update, but still exists in-game for those who had obtained it.
Large XP lamp detail

Large XP lamps were obtained by turning in 13,000 renown during the second world event, the Bird and the Beast. It rewards 95% of the experience of a large prismatic lamp for most skills, however certain skills (such as Divination, Strength and Defence) receive 109.25% experience instead. A silver Armadylean token or a silver Bandosian token is required to purchase the lamp.

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