The cave abomination is a superior variant of the cave horror. When on task, it has a chance of spawning after purchasing the unlock "Bigger and Badder" for 150 Slayer reward points from any Slayer master.
Contents
Drops
Cave abominations give 3 rolls on their regular counterpart's drop table.
100% drop
Item Quantity Rarity GE market price 
Big bones 1 Always 262
Ensouled horror head 1 Always 3,037
Unique
There is a 1 in 97.8 chance of rolling the unique drop table.
Item Quantity Rarity GE market price
Dust battlestaff 1 Rare (1/260.8) 45,418
Mist battlestaff 1 Rare (1/260.8) 113,406
Imbued heart 1 Rare (1/782.4) 28,707,500
Eternal gem 1 Rare (1/782.4) 7,707,016
Weapons/Armour
Item Quantity Rarity GE market price
Mithril axe 1 Common 75
Mithril kiteshield 1 Uncommon 1,044
Rune dagger 1 Uncommon 4,391
Adamant full helm 1 Uncommon 1,816
Black mask(10) 1 Rare (1/512) 1,018,694
Seeds
Item Quantity Rarity GE market price
Belladonna seed 1 Common 57
Cabbage seed 1–3 Common 1–3
Toadflax seed 1 Common 795
Potato seed 1–4 Common 1–4
Irit seed 1 Common 47
Onion seed 1–3 Common 1–3
Kwuarm seed 1 Uncommon 379
Poison ivy seed 1 Uncommon 18
Cactus seed 1 Uncommon 98
Cadantine seed 1 Uncommon 1,034
Strawberry seed 1 Uncommon 5
Sweetcorn seed 1–2 Uncommon 2–4
Avantoe seed 1 Uncommon 1,675
Tomato seed 1–2 Uncommon 1–2
Watermelon seed 1 Rare 71
Snapdragon seed 1 Rare 54,551
Dwarf weed seed 1 Rare 423
Lantadyme seed 1 Rare 2,358
Torstol seed 1 Very rare 58,385
Herbs
Item Quantity Rarity GE market price
Grimy guam leaf 1 Common 15
Grimy marrentill 1 Common 13
Grimy tarromin 1 Common 132
Grimy harralander 1–2 Uncommon 674–1,348
Grimy ranarr weed 1–2 Uncommon 7,640–15,280
Grimy irit leaf 1 Uncommon 775
Grimy avantoe 1 Uncommon 1,814
Grimy kwuarm 1 Uncommon 1,165
Grimy cadantine 1 Rare 1,312
Grimy lantadyme 1 Rare 1,391
Grimy dwarf weed 1–2 Rare 448–896
Runes
Item Quantity Rarity GE market price
Nature rune 3–6 Common 651–1,302
Other
Item Quantity Rarity GE market price
Coins 44–495 Common Not sold
Clue scroll (hard) 1 Common (5/64) Not sold
Limpwurt root 1 Common 918
Teak logs 4 (noted) Common 1,144
Mahogany logs 2–4 Uncommon 826–1,652
Long bone 1 Rare (1/400) Not sold
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 1 Rare 455
Uncut emerald 1 Rare 679
Uncut ruby 1 Rare 1,249
Nature talisman 1 Very rare 744
Uncut diamond 1 Very rare 2,627
Rune javelin 5 Very rare 875
Loop half of key 1 Very rare 10,307
Tooth half of key 1 Very rare 10,840
Rune spear 1 Very rare 11,933
Shield left half 1 Very rare 65,697
Dragon spear 1 Very rare 37,226
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