Unspeakable horror

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For the elite version, see Unspeakable horror (elite).
Unspeakable horror icon.png

An unspeakable horror is a Slayer monster found in the north-eastern part of the Mos Le'Harmless caves. The player requires level 58 Slayer, a witchwood icon, and a light source to successfully hunt and kill them. Completion of the Cabin Fever quest is required to access Mos Le'Harmless. Despite having the same Slayer level requirement, they are much stronger than the cave horrors found in the rest of the cave.

Players can buy a witchwood icon from any Slayer Master and must wear it while fighting horrors in close combat. The player can damage them without the icon, but the icon protects against the horrors' scream. Without the icon, the scream reduces stats and life points, similar to the effect of a banshee when fought without earmuffs or a dust devil when fought without a face mask. The deflect melee and protect from melee prayers will not block this damage.

These monsters are aggressive, regardless of combat level. They become docile after 5–10 minutes of staying in the vicinity of the monsters, which can be reset by running out of the area, then returning.

Location[edit | edit source]

Mos Le'Harmless caves - in a cave on the southeast side of the island. Players need a light source (such as seer's headband 4 or a bullseye lantern) to operate in the cave. If a player goes in without a light source, bugs will rapidly bite them hitting 10-100 and can kill the player quickly depending on their number of life points.

Getting there[edit | edit source]

  • Using the charter ship.
  • Using the Big Book o' Piracy option 1, a reward from the quest Pieces of Hate.
  • Teleporting using rum (red) or rum (blue) bought from Honest Jimmy's House of Stuff.
  • Accessing through the fairy ring DIP (requires Fairy Tale III). If using the fairy ring shortcut, the player must first repair the bridges connecting the fairy ring island to the Mos le'Harmless mainland. This will require a total of 8 regular planks and 16 nails of any kind. Each bridge must be repaired from a different side, meaning the player must fix it from the Mos Le'Harmless side as well as the fairy ring island side if it is the first time using the shortcut).

Drops[edit | edit source]

100% drop[edit | edit source]

Item Members Quantity Rarity GE price High alch value
Big bones.png: RS3 Unspeakable horror drops Big bones with rarity Always in quantity 1Big bonesF2P icon.png1Always1590

Charms[edit | edit source]

No charmGold charm.pngGreen charm.pngCrimson charm.pngBlue charm.png
79–81%4%2%13–14%0.3–0.4%
Represents a 90% confidence range based on a sample of 15,991 kills.
1 charm is dropped at a time.
Add data to the log (requires JavaScript).

Main drop[edit | edit source]

Item Members Quantity Rarity GE price High alch value
Coins_10000.png: RS3 Unspeakable horror drops Coins with rarity Common in quantity 2351-12488CoinsF2P icon.png2,351–12,488Common2,351-12,4882,351-12,488
Teak logs.png: RS3 Unspeakable horror drops Teak logs with rarity Common in quantity 7-13 (noted)Teak logsF2P icon.png7–13 (noted)Common588-1,092126-234
Mahogany logs.png: RS3 Unspeakable horror drops Mahogany logs with rarity Uncommon in quantity 3-7 (noted)Mahogany logsF2P icon.png3–7 (noted)Uncommon1,014-2,36690-210
Monkey bones.png: RS3 Unspeakable horror drops Monkey bones with rarity Common in quantity 4 (noted)Monkey bonesF2P icon.png(noted)Common4600
Raw swordfish.png: RS3 Unspeakable horror drops Raw swordfish with rarity Common in quantity 4-12 (noted)Raw swordfishF2P icon.png4–12 (noted)Common1,340-4,020816-2,448
Big bones.png: RS3 Unspeakable horror drops Big bones with rarity Common in quantity 22-28 (noted)Big bonesF2P icon.png22–28 (noted)Common3,498-4,4520
Weapon poison+ (3).png: RS3 Unspeakable horror drops Weapon poison+ (3) with rarity Common in quantity 1Weapon poison+ (3) (m)P2P icon.png1Common1,490172
Grimy ranarr.png: RS3 Unspeakable horror drops Grimy ranarr with rarity Uncommon in quantity 3 (noted)Grimy ranarr (m)P2P icon.png(noted)Uncommon7,2510
Grimy dwarf weed.png: RS3 Unspeakable horror drops Grimy dwarf weed with rarity Rare in quantity 2 (noted)Grimy dwarf weed (m)P2P icon.png(noted)Rare21,9840
Grimy lantadyme.png: RS3 Unspeakable horror drops Grimy lantadyme with rarity Rare in quantity 2 (noted)Grimy lantadyme (m)P2P icon.png(noted)Rare22,1780
Poison ivy berries.png: RS3 Unspeakable horror drops Poison ivy berries with rarity Uncommon in quantity 2 (noted)Poison ivy berries (m)P2P icon.png(noted)Uncommon3,02078
Ruby ring.png: RS3 Unspeakable horror drops Ruby ring with rarity Uncommon in quantity 4-6 (noted)Ruby ringF2P icon.png4–6 (noted)Uncommon7,944-11,9164,860-7,290
Ruby necklace.png: RS3 Unspeakable horror drops Ruby necklace with rarity Uncommon in quantity 3-5 (noted)Ruby necklaceF2P icon.png3–5 (noted)Uncommon6,651-11,0853,915-6,525
Coconut.png: RS3 Unspeakable horror drops Coconut with rarity Uncommon in quantity 2 (noted)Coconut (m)P2P icon.png(noted)Uncommon7,530104
Black mask (10).png: RS3 Unspeakable horror drops Black mask (10) with rarity Very rare in quantity 1Black mask (10) (m)P2P icon.png1Very rare1,478,4701,800

Tertiary drops[edit | edit source]

Item Members Quantity Rarity GE price High alch value
Scare Tactics.png: RS3 Unspeakable horror drops Scare Tactics with rarity Rare in quantity 1Scare TacticsF2P icon.png1Rare536,5350
Festering journal.png: RS3 Unspeakable horror drops Festering journal with rarity Uncommon in quantity 1Festering journal (m)P2P icon.png1UncommonNot soldNot alchemisable
Sealed clue scroll (hard).png: RS3 Unspeakable horror drops Sealed clue scroll (hard) with rarity Rare in quantity 1Sealed clue scroll (hard) (m)P2P icon.png1RareNot soldNot alchemisable
Spirit sapphire.png: RS3 Unspeakable horror drops Spirit sapphire with rarity 5/2000 in quantity 1Spirit sapphire (m)P2P icon.png15/2000Not soldNot alchemisable
Spirit emerald.png: RS3 Unspeakable horror drops Spirit emerald with rarity 3/2000 in quantity 1Spirit emerald (m)P2P icon.png13/2000Not soldNot alchemisable
Spirit ruby.png: RS3 Unspeakable horror drops Spirit ruby with rarity 2/2000 in quantity 1Spirit ruby (m)P2P icon.png12/2000Not soldNot alchemisable
Starved ancient effigy.png: RS3 Unspeakable horror drops Starved ancient effigy with rarity Very rare in quantity 1Starved ancient effigy (m)P2P icon.png1Very rareNot soldNot alchemisable
Long bone.png: RS3 Unspeakable horror drops Long bone with rarity 1/400 in quantity 1Long bone (m)P2P icon.png11/4003High Level Alchemy icon.png3
Curved bone.png: RS3 Unspeakable horror drops Curved bone with rarity 1/5000 in quantity 1Curved bone (m)P2P icon.png11/50004High Level Alchemy icon.png4


Universal drops[edit | edit source]

Universal drops are dropped by nearly every monster outside of Daemonheim.
These items are dropped alongside main drops.
Item Members Quantity Rarity GE price High alch value
Key token.png: RS3 Unspeakable horror drops Key token with rarity Rare in quantity 1Key tokenF2P icon.png1RareNot soldNot alchemisable
Mimic kill token.png: RS3 Unspeakable horror drops Mimic kill token with rarity Very rare in quantity 1Mimic kill token (m)P2P icon.png1Very rare9,234Not alchemisable