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Cave bug

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This article is about the monster in the Lumbridge Swamp caves. For the monster in the Fremennik Slayer Dungeon, see Cave crawler.
[FAQ] • [doc]
Cave bug icon

Cave bugs can be assigned as Slayer assignments, and require level 7 Slayer to kill. Bring food if you are below level 20, as they regenerate quickly.

LocationsEdit

Cave bugs

Cave bugs in the Chaos tunnels


Drops (level 8)Edit

Main dropEdit

Item Quantity Rarity GE price
Grimy guamGrimy guam1Common102
Grimy marrentillGrimy marrentill1Common129
Grimy tarrominGrimy tarromin1Common37
Grimy harralanderGrimy harralander1Common84
Grimy ranarrGrimy ranarr1Uncommon2,444
Grimy iritGrimy irit1Uncommon2,883
Grimy avantoeGrimy avantoe1Uncommon2,603
Grimy kwuarmGrimy kwuarm1Uncommon5,417
Grimy cadantineGrimy cadantine1Rare4,677
Grimy lantadymeGrimy lantadyme1Rare3,435
Grimy dwarf weedGrimy dwarf weed1Rare3,278
Eye of newtEye of newt1Common12
Limpwurt rootLimpwurt root1Common1,494
Snape grassSnape grass1Common16
Red spiders' eggsRed spiders' eggs1Common1,710
Unicorn horn dustUnicorn horn dust1Common210
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common169
Swamp weedSwamp weed1–8Common404–3,232
Candle lantern (empty)Candle lantern (empty)1Uncommon75
CandleCandle1Rare166
Bronze gauntletsBronze gauntlets1Rare640
Rare drop tableRare drop table1RareNot sold

Drops (level 12)Edit

CharmsEdit

No charmGold charmGreen charmCrimson charmBlue charm
51–55%6–7%35–38%3–4%0.6–1.3%
Represents a 90% confidence range.
Based on a sample of 2,030 kills.
1 charm is dropped at a time.
Add data to the log
(Requires JavaScript to be enabled)

Only the level 12 Cave Bugs drop charms

Main dropEdit

Item Quantity Rarity GE price
Grimy guamGrimy guam1Common102
Grimy marrentillGrimy marrentill1Common129
Grimy tarrominGrimy tarromin1Common37
Grimy harralanderGrimy harralander1Common84
Grimy ranarrGrimy ranarr1Uncommon2,444
Grimy iritGrimy irit1Uncommon2,883
Grimy avantoeGrimy avantoe1Uncommon2,603
Grimy kwuarmGrimy kwuarm1Uncommon5,417
Grimy cadantineGrimy cadantine1Uncommon4,677
Grimy lantadymeGrimy lantadyme1Rare3,435
Grimy dwarf weedGrimy dwarf weed1Rare3,278
Water runeWater rune1–167Common15–2,505
Earth runeEarth rune1–147Common13–1,911
Fire runeFire rune1–91Uncommon74–6,734
Nature runeNature rune1–8Uncommon355–2,840
Rare drop tableRare drop table1RareNot sold
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common404–3,232
Water battlestaffWater battlestaff1Rare8,301
Bronze gauntletsBronze gauntlets1Unknown640
Rare drop tableRare drop table1RareNot sold

Tertiary dropsEdit

Item Quantity Rarity GE price
Clue scroll (easy)Clue scroll (easy)1RareNot sold
Spirit sapphireSpirit sapphire1RareNot sold
Spirit emeraldSpirit emerald1RareNot sold
Spirit rubySpirit ruby1RareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold

Rare drop tableEdit

This monster has access to the rare drop table.
A ring of wealth, luck potion or collector's insignia are not required to access the table.
Show/hide rare drop table
Item Quantity Rarity GE price
Coins 1000Coins250–500; 3,000Common250–3,000
Uncut sapphireUncut sapphire1Common916
Uncut emeraldUncut emerald1Common1,574
Uncut rubyUncut ruby1Common2,775
Uncut diamondUncut diamond1Common3,871
Uncut diamondUncut diamond45–55 (noted)Rare174,195–212,905
Loop half of a keyLoop half of a key1Common17,504
Tooth half of a keyTooth half of a key1Common23,914
Uncut dragonstoneUncut dragonstone1Uncommon12,546
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare564,570–690,030
Dragon longswordDragon longsword1Common56,645
Dragon spearDragon spear1Rare35,691
BattlestaffBattlestaff180–220 (noted)Rare1,243,800–1,520,200
Rune javelinRune javelin5Rare915
Rune platebodyRune platebody1Uncommon37,743
Rune platebodyRune platebody15–25 (noted)Rare566,145–943,575
Shield left halfShield left half1Rare64,218
Dragon helmDragon helm1Uncommon58,293
Rune arrowheads 5Rune arrowheads113–137Common21,244–25,756
Onyx bolts 5Onyx bolts135–165Very rare1,059,345–1,294,755
Vecna skullVecna skull1Very rare77,794
Chaos talismanChaos talisman1Rare1,656
Nature talismanNature talisman1Rare1,172
Water talismanWater talisman65–82 (noted)Rare400,010–504,628
Earth talismanEarth talisman65–82 (noted)Rare117,390–148,092
Fire talismanFire talisman25–35 (noted)Rare40,175–56,245
Raw lobsterRaw lobster135–165 (noted)Common14,850–18,150
Raw sharkRaw shark225–275 (noted)Uncommon228,825–279,675
Big bonesBig bones72–90 (noted)Uncommon25,272–31,590
Dragon bonesDragon bones180–220 (noted)Rare288,360–352,440
CoalCoal200–1,100 (noted)Uncommon42,400–233,200
Gold oreGold ore90–110 (noted)Common12,960–15,840
Adamantite oreAdamantite ore180–220 (noted)Uncommon259,200–316,800
Adamant barAdamant bar14–16 (noted)Common32,340–36,960
Adamant barAdamant bar135–165 (noted)Rare311,850–381,150
Runite oreRunite ore90–110 (noted)Rare1,016,550–1,242,450
Rune barRune bar(noted)Common42,033
Rune barRune bar45–55 (noted)Rare630,495–770,605
Grimy torstolGrimy torstol90–110 (noted)Uncommon381,420–466,180
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon359,010–438,790
Super restore (4)Super restore (4)45–55 (noted)Uncommon221,220–270,380
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon158,085–193,215
Lantadyme seed 5Lantadyme seed14–16Uncommon10,318–11,792
Dwarf weed seed 5Dwarf weed seed14–16Uncommon8,666–9,904
Magic seed 5Magic seed4Uncommon438,304
Palm tree seed 5Palm tree seed10Rare1,720,080
FlaxFlax450–550 (noted)Common4,500–5,500
Molten glassMolten glass45–55 (noted)Common7,830–9,570
Soft claySoft clay450–550 (noted)Uncommon155,700–190,300
Yew logsYew logs68–82Uncommon13,124–15,826
Yew logsYew logs675–825 (noted)Rare130,275–159,225
Teak plankTeak plank45–55 (noted)Uncommon35,145–42,955
Mahogany plankMahogany plank270–330 (noted)Rare571,050–697,950
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

TriviaEdit

  • Although this monster appears on F2P worlds in the Taverley Slayer Dungeon, it cannot be killed because it requires a slayer level of 7, while free players can only reach level 5.
  • The large level 18 cave bugs were level 96 before the Evolution of Combat.
  • When a level 18 cave bug is killed, it appears to fall apart and explode.

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