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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.
  • 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).

DropsEdit

100% dropEdit

Item Quantity Rarity GE price
Big bonesBig bones1Always193

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)Common1,603–2,977
Mahogany logsMahogany logs3–7 (noted)Uncommon2,028–4,732
Monkey bonesMonkey bones(noted)Common548
Raw swordfishRaw swordfish4–12 (noted)Common1,560–4,680
Big bonesBig bones22–28 (noted)Common4,246–5,404
Weapon poison+ (2)Weapon poison+ (2)1Common957
Grimy ranarrGrimy ranarr(noted)Uncommon6,591
Grimy dwarf weedGrimy dwarf weed(noted)Rare4,524
Grimy lantadymeGrimy lantadyme(noted)Rare6,378
Poison ivy berriesPoison ivy berries(noted)Uncommon4,592
Ruby ringRuby ring4–6 (noted)Uncommon5,184–7,776
Ruby necklaceRuby necklace3–5 (noted)Uncommon4,383–7,305
CoconutCoconut(noted)Uncommon9,230
Rare drop tableRare drop table1RareNot sold
Black mask (10)Black mask (10)1Very rare837,918

Tertiary dropsEdit

Item Quantity Rarity GE price
Scare TacticsScare Tactics1Rare782,731
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 sapphire1Common776
Uncut emeraldUncut emerald1Common2,132
Uncut rubyUncut ruby1Common1,786
Uncut diamondUncut diamond1Common3,353
Uncut diamondUncut diamond45–55 (noted)Rare150,885–184,415
Loop half of a keyLoop half of a key1Common17,014
Tooth half of a keyTooth half of a key1Common18,253
Uncut dragonstoneUncut dragonstone1Uncommon12,428
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare559,260–683,540
Dragon longswordDragon longsword1Common58,280
Dragon spearDragon spear1Rare35,919
BattlestaffBattlestaff180–220 (noted)Rare1,102,500–1,347,500
Rune javelinRune javelin5Rare895
Rune platebodyRune platebody1Uncommon37,731
Rune platebodyRune platebody15–25 (noted)Rare565,965–943,275
Shield left halfShield left half1Rare64,617
Dragon helmDragon helm1Uncommon58,943
Rune arrowheads 5Rune arrowheads113–137Common21,357–25,893
Onyx bolts 5Onyx bolts135–165Very rare1,062,585–1,298,715
Chaos talismanChaos talisman1Rare1,286
Nature talismanNature talisman1Rare1,538
Water talismanWater talisman65–82 (noted)Rare614,120–774,736
Earth talismanEarth talisman65–82 (noted)Rare238,745–301,186
Fire talismanFire talisman25–35 (noted)Rare72,675–101,745
Raw lobsterRaw lobster135–165 (noted)Common25,380–31,020
Raw sharkRaw shark225–275 (noted)Uncommon243,900–298,100
Big bonesBig bones68–82 (noted)Uncommon13,124–15,826
Dragon bonesDragon bones180–220 (noted)Rare307,260–375,540
CoalCoal200–1,100 (noted)Uncommon25,600–140,800
Gold oreGold ore90–110 (noted)Common14,670–17,930
Adamantite oreAdamantite ore180–220 (noted)Uncommon230,400–281,600
Adamant barAdamant bar14–16 (noted)Common43,008–49,152
Adamant barAdamant bar135–165 (noted)Rare414,720–506,880
Runite oreRunite ore90–110 (noted)Rare1,017,270–1,243,330
Rune barRune bar(noted)Common40,371
Rune barRune bar45–55 (noted)Rare605,565–740,135
Grimy torstolGrimy torstol90–110 (noted)Uncommon330,660–404,140
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon119,340–145,860
Super restore (4)Super restore (4)45–55 (noted)Uncommon159,120–194,480
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon150,930–184,470
Lantadyme seed 5Lantadyme seed14–16Uncommon5,866–6,704
Dwarf weed seed 5Dwarf weed seed14–16Uncommon7,574–8,656
Magic seed 5Magic seed4Uncommon366,488
Palm tree seed 5Palm tree seed10Rare909,910
FlaxFlax450–550 (noted)Common26,100–31,900
Molten glassMolten glass45–55 (noted)Common8,145–9,955
Soft claySoft clay450–550 (noted)Uncommon198,450–242,550
Yew logsYew logs68–82 (noted)Uncommon10,336–12,464
Yew logsYew logs675–825 (noted)Rare102,600–125,400
Teak plankTeak plank45–55 (noted)Uncommon35,865–43,835
Mahogany plankMahogany plank270–330 (noted)Rare381,510–466,290
Blurberry SpecialBlurberry Special1Uncommon6,469
Vecna skullVecna skull1Very rare*301,297
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 rare23,156