Zombie head
Huge 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.
Huge lamp detail

Huge XP lamps were obtained by turning in 25,000 renown during the second world event, the Bird and the Beast. It rewards 95% of the experience of a huge prismatic lamp for most skills, however certain skills (such as Divination, Strength, Constitution, 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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