Mos Le'Harmless Cave

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Mos Le'Harmless Cave
Mos Le'Harmless Cave.png
Released4 July 2006 (Update)
LocationMos Le'Harmless
MusicLittle Cave of Horrors
Mos Le'Harmless Caves map.png

The Mos Le'Harmless Cave, also called the "Cave of Horrors", is found on Mos Le'Harmless, which players can reach only after completing the Cabin Fever quest. The cave is the only place where Cave horrors and Albino bats are found.

A light source is required in the cave unless the player has lit a Fire of Eternal Light near the entrance. In the north-east, two staircases ascend to small islands with teak and mahogany trees and seaweed spawns.

The Dwarf multicannon can be used in the cave.

The entrance is found just east of the town by a small beach.

Monsters[edit | edit source]

  • Level 80 Cave horrors (Level 58 Slayer and a Witchwood icon needed to fight). They are scattered around the cave and are aggressive.
  • Level 52 Albino bats. These are rarely fought because they have no drops, and mainly serve as an annoyance to players who wish to fight the horrors because they are aggressive.

Personalities[edit | edit source]

  • Cavey Davey guards the entrance to the cave. He warns players to be prepared before entering.
The two islands on the north-east coast of Mos Le'Harmless, accessible through the cave. Each island features both a single teak and mahogany tree.

Quests[edit | edit source]

Changes[edit | edit source]

Date Changes
24 March 2016
(update | poll)

Increased the density of cave horror spawns.

24 July 2014
(update | poll)

The Cave horror cave entrance now has a right click option to permanently disable the warning.

Trivia[edit | edit source]

Tiles with pictures resembling black masks on them.
  • The music "Little Cave of Horrors" is a reference to the film Little Shop of Horrors.
  • Cave horrors are regarded as having good drops. They occasionally drop prized Black masks, which enhance players abilities on Slayer assignments and are used to make Slayer helmets.
  • The "teak and mahogany" islands are rarely used for Woodcutting, given their distance from a bank and the need to cross the caves. Both regular Seaweed and Edible seaweed are found on the islands.
  • The black masks appear to be a stone, with pieces carved away when compared to the markings littered on the floor around the dungeon.
  • The name "Mos Le'Harmless" alludes to the Hitchhiker's Guide to the Galaxy series by Douglas Adams, in which the guide's entry on planet earth is simply "Mostly Harmless".
  • When a player enters the Mos Le'Harmless Caves, they have two options before entering should they not have a Witchwood icon. The option for entering says, 'Yes, I am not afraid to be killed in nasty ways', a reference to the song 'Brave Sir Robin' in Monty Python and the Holy Grail.
  • The swamp bubbles in the cave can be used to fill the Ogre bellows.