Killing cave horrors

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Killing cave horrors
RequirementsKilling cave horrors.png

58 Slayer
70 Magic/Attack (Defence with magic/attack) recommended
68 Summoning recommended

Tier 70+ magic weapon and armour
Witchwood icon
Light source
Nature rune.png: RS3 Inventory image of Nature runeNature runes
Cabin Fever
ProfitExperience gained
1,598,184.7595,000 Combat
31,000 Constitution
Inputs (93,750)Outputs (1,691,934.75)
250 × Nature rune.png Nature rune (93,750)
0.85 × Black mask (10).png black mask (10) (1,571,934.75)
120,000 × Coins 10000.png Coins (120,000) High alchemy

The profit rate assumes 450 kills per hour. Your actual profit may be higher or lower depending on your speed.

Cave horrors drop the black mask, worth 1,849,335, at a believed 1/512 rate. They are located in the Mos Le'Harmless Caves, which require Cabin Fever to be completed. You'll also need a light source and a witchwood icon to avoid taking a great deal of damage. The easiest way to get to the caves would be either taking the fairy ring DIP (requires A Fairy Tale III - Battle at Ork's Rift), or taking Bill Teach's boat to Mos Le'Harmless and travelling east from the town.

The cave horrors are a bit spread out, but they only have 2750 life points so it's easy to take them down with 2-3 hits on average. With decent armour they don't do enough damage to be very troublesome, but a bunyip or healing abilities can be used if needed. With mid to high level equipment, it's very possible to kill 450 cave horrors per hour. They have very few drops besides the black mask worth picking up, although nature runes, limpwurt roots, and various alchables and herbs may be worth picking up. At this rate you should average about one black mask every hour and a half, although this is not at all guaranteed.