Monsters
- Kalphite WorkerKalphite Queen
- Kalphite WorkerNormal
- Kalrag
- KamilDesert Treasure
- KamilDominion Tower
- KamilRumble Mode
- Karam
- Karam. overlordAttack
- Karam. overlordInteract
- KaramelDominion Tower
- KaramelRecipe for Disaster
- Karil the TaintedNormal
- Karil the TaintedRise of the Six
- Karil the TwistedRegular
- Karil the Twisted (hydra)Hydra
- Kathy Corkat
- Katrine
- Kax'Hath the Unyielding
- Kax'Hath the Unyielding130,000 life points
- Kax'Hath the Unyielding310,000 life points
- Kay Thanxby
- Kayle
- Kebbit
- Keen bloodrager
- Keen bloodrager
- Keen deathslinger
- Keen deathslinger
- Keen hoardstalker
- Keen hoardstalker
- Keen skinweaver
- Keen skinweaver
- Keen stormbringer
- Keen stormbringer
- Keen worldbearer
- Keen worldbearer
- Keg
- Kennith
- Kenti
- Kerapac
- Kerapac, the bound
- Kerapac, the boundHard mode
- Kerapac, the boundNormal mode
- Ket-Zek
- Ket-ZekThe Brink of Extinction
- Ket-ZekThe Elder Kiln
- Ket-ZekTzHaar Fight Cave
- Kezalam, the WandererHard mode
- Kezalam, the WandererNormal mode