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This article is about the slayer monster. For the superior variant, see Cave abomination.
Cave horror icon

Cave horrors are assigned by Chaeldar, Nieve and Duradel after completing the quest Cabin Fever. Killing cave horrors requires 58 Slayer, a witchwood icon, and a light source (unless a Fire of Eternal Light is lit) to see in the caves.

Cave horrors are often killed for their black mask drops along with a decent rate of hard clue drops.

A witchwood icon must be worn at all times while in close combat with cave horrors; if not worn, they will deal damage equal to 10% of the player's total Hitpoints level rounded down (e.g. 7 damage at 76 HP or 9 at 98). However, a witchwood icon is not required if the player always has Protect from Melee active or is using safe spots.


Cave horrors are found inside Mos Le'Harmless Caves. To get there, players may do any of the following:

Strengths and weaknesses

Cave horrors use a Magic-based Melee attack, so it is advised that players bring Dragonhide armour or other armour that provides Magic Defence bonus. Players must also be wearing a witchwood icon, which can be purchased from any Slayer master. The cave horror will use a scream attack which WILL NOT reduce a player's stats however will deal damage to a player based upon their Hitpoints. Damage calculation (Player's HP level/10) rounded down to the lowest integer. However, the witchwood icon is NOT necessary when fighting them from a distance or when using the Protect from Melee prayer, so a better amulet may be used instead. Since cave horrors are wider than one square, a dragon halberd or a crystal halberd can be very useful as a special attack weapon, and can sometimes be used in the right areas to safespot the cave horrors behind the mushrooms, stalagmites, and boulders. 

Note: It is advisable to keep the witchwood icon in case of a close combat encounter. 


Estimated drop rates are based off 9,397 kills.[1]


Item Quantity Rarity GE market price
Big bones Big bones 1 Always 223


Item Quantity Rarity GE market price
Mithril axe Mithril axe 1 Common 165
Mithril kiteshield Mithril kiteshield 1 Uncommon 1,031
Rune dagger Rune dagger 1 Rare (~1/100) 4,431
Adamant full helm Adamant full helm 1 Rare (~1/100) 1,863 
Black mask Black mask(10) 1 Rare (1/512) 932,081


Item Quantity Rarity GE market price
Potato seed 5 Potato seed 1–4 Common 1–4
Onion seed 5 Onion seed 1–3 Common 1–3
Belladonna seed 5 Belladonna seed 1 Common 52
Cabbage seed 5 Cabbage seed 1–3 Common 1–3
Herb seed 5 Toadflax seed 1 Uncommon (~1/30) 782
Herb seed 5 Irit seed 1 Uncommon 50
Poison ivy seed 5 Poison ivy seed 1 Uncommon 26
Cactus seed 5 Cactus seed 1 Uncommon 68
Strawberry seed 5 Strawberry seed 1 Uncommon 8
Sweetcorn seed 5 Sweetcorn seed 1–2 Uncommon 4–8
Herb seed 5 Avantoe seed 1 Uncommon (~1/59) 909
Herb seed 5 Kwuarm seed 1 Uncommon (~1/98) 244
Tomato seed 5 Tomato seed 1–2 Rare 1–2
Watermelon seed 5 Watermelon seed 1 Rare 68
Herb seed 5 Snapdragon seed 1 Rare (~1/106) 66,783
Herb seed 5 Cadantine seed 1–2 Rare 755–1,510
Herb seed 5 Lantadyme seed 1 Rare (~1/240) 1,788
Herb seed 5 Dwarf weed seed 1 Rare (~1/376) 524
Herb seed 5 Torstol seed 1 Rare (~1/626) 58,483


Item Quantity Rarity GE market price
Grimy guam leaf Grimy guam leaf 1 Common 9
Grimy marrentill Grimy marrentill 1 Common 10
Grimy tarromin Grimy tarromin 1 Common 153
Grimy harralander Grimy harralander 1–2 Uncommon 598–1,196
Grimy ranarr weed Grimy ranarr weed 1–2 Uncommon 8,018–16,036
Grimy irit leaf Grimy irit leaf 1 Uncommon 906
Grimy avantoe Grimy avantoe 1 Uncommon 1,936
Grimy kwuarm Grimy kwuarm 1 Uncommon 1,489
Grimy cadantine Grimy cadantine 1 Rare 1,532
Grimy lantadyme Grimy lantadyme 1 Rare 1,657
Grimy dwarf weed Grimy dwarf weed 1–2 Rare 557–1,114


Item Quantity Rarity GE market price
Nature rune Nature rune 3–6 Common 759–1,518


Item Quantity Rarity GE market price
Coins 250 Coins 44–495 Common Not sold
Limpwurt root Limpwurt root 1 Common (~1/12) 838
Teak logs Teak logs 4 (noted) Common 472
Mahogany logs Mahogany logs 2–4 Uncommon 688–1,376
Ensouled horror head Ensouled horror head 1 Uncommon (1/30) 2,766
Clue scroll (hard) Clue scroll (hard) 1 Rare (1/128) Not sold
Long bone Long bone 1 Rare (1/400) Not sold
Curved bone Curved bone 1 Very rare (1/5,000) Not sold

Gem drop table

In addition to the drops above, this monster has access to the gem drop table.

Show/hide gem drop table
Item Quantity Rarity GE market price
Uncut sapphire Uncut sapphire 1 Rare 473
Uncut emerald Uncut emerald 1 Rare 728
Uncut ruby Uncut ruby 1 Rare 1,333
Nature talisman Nature talisman 1 Very rare 801
Uncut diamond Uncut diamond 1 Very rare 2,964
Rune javelin Rune javelin 5 Very rare 890
Loop half of key Loop half of key 1 Very rare 9,847
Tooth half of key Tooth half of key 1 Very rare 10,006
Rune spear Rune spear 1 Very rare 11,900
Shield left half Shield left half 1 Very rare 65,608
Dragon spear Dragon spear 1 Very rare 37,535



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