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

LocationEdit

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 thereEdit

  • Using the charter ship.
  • 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).

DropsEdit

100% dropEdit

Item Quantity Rarity GE price
Big bonesBig bones1Always198

CharmsEdit

No charmGold charmGreen charmCrimson charmBlue charm
79–81%4–5%1–2%13–15%0.2–0.5%
Represents a 90% confidence range based on a sample of 5,069 kills.
1 charm is dropped at a time.
Add data to the log (requires JavaScript).

Main dropEdit

Item Quantity Rarity GE price
Coins 10000Coins2,351–12,488Common2,351–12,488
Teak logsTeak logs7–13 (noted)Common1,344–2,496
Mahogany logsMahogany logs3–7 (noted)Uncommon1,989–4,641
Monkey bonesMonkey bones(noted)Common596
Raw swordfishRaw swordfish4–12 (noted)Common1,696–5,088
Big bonesBig bones22–28 (noted)Common4,356–5,544
Weapon poison+ (3)Weapon poison+ (3)1Common1,783
Grimy ranarrGrimy ranarr(noted)Uncommon6,339
Grimy dwarf weedGrimy dwarf weed(noted)Rare3,976
Grimy lantadymeGrimy lantadyme(noted)Rare5,842
Poison ivy berriesPoison ivy berries(noted)Uncommon4,980
Ruby ringRuby ring4–6 (noted)Uncommon5,776–8,664
Ruby necklaceRuby necklace3–5 (noted)Uncommon4,404–7,340
CoconutCoconut(noted)Uncommon10,016
Rare drop tableRare drop table1RareNot sold
Black mask (10)Black mask (10)1Very rare536,146

Tertiary dropsEdit

Item Quantity Rarity GE price
Scare TacticsScare Tactics1Rare497,642
Festering journalFestering journal1UncommonNot sold
Sealed clue scroll (hard)Sealed clue scroll (hard)1RareNot sold
Spirit sapphireSpirit sapphire1RareNot sold
Spirit emeraldSpirit emerald1RareNot sold
Spirit rubySpirit ruby1RareNot sold
Long boneLong bone1RareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold
Curved boneCurved bone1Very rareNot sold


Rare drop tableEdit

This monster has access to the rare drop table.
Luck-enhancing items such as a ring of wealth or luck of the dwarves are not required to access the table.
Show/hide rare drop table
Item Quantity Rarity GE price
Coins 250Coins250–500Common250–500
Uncut sapphireUncut sapphire1Common652
Uncut emeraldUncut emerald1Common1,959
Uncut rubyUncut ruby1Common1,491
Uncut diamondUncut diamond1Common3,003
Uncut diamondUncut diamond45–55 (noted)Rare135,135–165,165
Loop half of a keyLoop half of a key1Common17,007
Tooth half of a keyTooth half of a key1Common19,259
Uncut dragonstoneUncut dragonstone1Uncommon11,391
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare512,595–626,505
Dragon longswordDragon longsword1Common58,321
Dragon spearDragon spear1Rare37,602
BattlestaffBattlestaff180–220 (noted)Rare1,089,180–1,331,220
Rune javelinRune javelin5Rare890
Rune platebodyRune platebody1Uncommon37,899
Rune platebodyRune platebody15–25 (noted)Rare568,485–947,475
Shield left halfShield left half1Rare64,801
Dragon helmDragon helm1Uncommon58,962
Rune arrowheads 5Rune arrowheads113–137Common21,583–26,167
Onyx bolts 5Onyx bolts135–165Very rare1,075,410–1,314,390
Chaos talismanChaos talisman1Rare1,687
Nature talismanNature talisman1Rare1,734
Water talismanWater talisman65–82 (noted)Rare484,185–610,818
Earth talismanEarth talisman65–82 (noted)Rare132,925–167,690
Fire talismanFire talisman25–35 (noted)Rare49,550–69,370
Raw lobsterRaw lobster135–165 (noted)Common28,890–35,310
Raw sharkRaw shark225–275 (noted)Uncommon236,475–289,025
Big bonesBig bones68–82 (noted)Uncommon13,464–16,236
Dragon bonesDragon bones180–220 (noted)Rare311,040–380,160
CoalCoal200–1,100 (noted)Uncommon26,000–143,000
Gold oreGold ore90–110 (noted)Common15,480–18,920
Adamantite oreAdamantite ore180–220 (noted)Uncommon230,040–281,160
Adamant barAdamant bar14–16 (noted)Common37,338–42,672
Adamant barAdamant bar135–165 (noted)Rare360,045–440,055
Runite oreRunite ore90–110 (noted)Rare1,062,270–1,298,330
Rune barRune bar(noted)Common41,508
Rune barRune bar45–55 (noted)Rare622,620–760,980
Grimy torstolGrimy torstol90–110 (noted)Uncommon322,920–394,680
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon146,250–178,750
Super restore (4)Super restore (4)45–55 (noted)Uncommon166,050–202,950
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon152,100–185,900
Lantadyme seed 5Lantadyme seed14–16Uncommon8,330–9,520
Dwarf weed seed 5Dwarf weed seed14–16Uncommon9,478–10,832
Magic seed 5Magic seed4Uncommon373,616
Palm tree seed 5Palm tree seed10Rare1,043,490
FlaxFlax450–550 (noted)Common16,200–19,800
Molten glassMolten glass45–55 (noted)Common8,685–10,615
Soft claySoft clay450–550 (noted)Uncommon190,800–233,200
Yew logsYew logs68–82 (noted)Uncommon11,424–13,776
Yew logsYew logs675–825 (noted)Rare113,400–138,600
Teak plankTeak plank45–55 (noted)Uncommon35,550–43,450
Mahogany plankMahogany plank270–330 (noted)Rare369,090–451,110
Blurberry SpecialBlurberry Special1Uncommon5,319
Vecna skullVecna skull1Very rare*383,033
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,967,717,757
Brawling gloves (Melee)Brawling gloves (Melee)1Very rareNot sold
Brawling gloves (Magic)Brawling gloves (Magic)1Very rareNot sold
Brawling gloves (Ranged)Brawling gloves (Ranged)1Very rareNot sold
Brawling gloves (Agility)Brawling gloves (Agility)1Very rareNot sold
Brawling gloves (Cooking)Brawling gloves (Cooking)1Very rareNot sold
Brawling gloves (FM)Brawling gloves (FM)1Very rareNot sold
Brawling gloves (Fishing)Brawling gloves (Fishing)1Very rareNot sold
Brawling gloves (Hunter)Brawling gloves (Hunter)1Very rareNot sold
Brawling gloves (Mining)Brawling gloves (Mining)1Very rareNot sold
Brawling gloves (Prayer)Brawling gloves (Prayer)1Very rareNot sold
Brawling gloves (Smithing)Brawling gloves (Smithing)1Very rareNot sold
Brawling gloves (Thieving)Brawling gloves (Thieving)1Very rareNot sold
Brawling gloves (WC)Brawling gloves (WC)1Very rareNot sold
Crystal triskelion fragment 1Crystal triskelion fragment 11Very rareNot sold
Crystal triskelion fragment 2Crystal triskelion fragment 21Very rareNot sold
Crystal triskelion fragment 3Crystal triskelion fragment 31Very rareNot sold

Universal dropsEdit

Universal drops are dropped by nearly every monster outside of Daemonheim.
These drops are dropped alongside main drops.
Item Quantity Rarity GE price
Key tokenKey token1RareNot sold
Mimic kill tokenMimic kill token1Very rare15,202