Monsters
- Unnatural hellhoundRegular
- Unnatural hellhound (hydra)Hydra
- Unnatural kalphite guardianRegular
- Unnatural kalphite guardian (hydra)Hydra
- Unnatural kalphite paragon
- Unnatural kalphite paragon (hydra)
- Unnatural killerwattRegular
- Unnatural killerwatt (hydra)Hydra
- Unnatural prime automatonRegular
- Unnatural prime automaton (hydra)Hydra
- Unnatural ramokee stormbringerRegular
- Unnatural ramokee stormbringer (hydra)Hydra
- Unnatural Saradominist prideleaderRegular
- Unnatural Saradominist prideleader (hydra)Hydra
- Unnatural Saradominist sageRegular
- Unnatural Saradominist sage (hydra)Hydra
- Unnatural spinespitter dagannothRegular
- Unnatural spinespitter dagannoth (hydra)Hydra
- Unnatural Trahaearn titanRegular
- Unnatural Trahaearn titan (hydra)Hydra
- Unnatural Zamorakian sniperRegular
- Unnatural Zamorakian sniper (hydra)Hydra
- Unspeakable horror
- Unspeakable horror (elite)
- Unstable attendant
- Unstable black hole
- Unstable black holeNormal mode
- Unstable black holeStory mode
- Unstable glacyte
- Unstable glacyte
- Unstable wight footsoldier
- Unstable zombie
- Unstable zombieAncient Awakening
- Unstable zombieUngael combat activity (hard)
- Unstable zombieUngael combat activity (standard)
- Unwieldly Zombie
- Uodai
- Urluk
- Uyoro
- Valgerd
- VampireLevel 61
- VampireLevel 72
- VampireLevel 77
- Vampyre
- Vampyre
- Vampyre batAttack
- Vampyre batInteract
- Vampyre Juvenile