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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.
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Level 8Level 12
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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

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common383
Grimy marrentillGrimy marrentill1Common175
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common117
Grimy ranarrGrimy ranarr1Uncommon3,277
Grimy iritGrimy irit1Uncommon2,837
Grimy avantoeGrimy avantoe1Uncommon5,584
Grimy kwuarmGrimy kwuarm1Uncommon6,069
Grimy cadantineGrimy cadantine1Rare3,375
Grimy lantadymeGrimy lantadyme1Rare7,625
Grimy dwarf weedGrimy dwarf weed1Rare8,468

Herblore ingredientsEdit

Item Quantity Rarity GE market price
Eye of newtEye of newt1Common5
Limpwurt rootLimpwurt root1Common1,383
Snape grassSnape grass1Common123
Red spiders' eggsRed spiders' eggs1Common1,213
Unicorn horn dustUnicorn horn dust1Common938

OtherEdit

Item Quantity Rarity GE market price
Coins 5Coins3–8CommonNot sold
TinderboxTinderbox1Common289
Swamp weedSwamp weed1–8Common405–3,240
Candle lantern (empty)Candle lantern (empty)1Uncommon8
CandleCandle1Rare124

Drops (level 12)Edit

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common383
Grimy marrentillGrimy marrentill1Common175
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common117
Grimy ranarrGrimy ranarr1Uncommon3,277
Grimy iritGrimy irit1Uncommon2,837
Grimy avantoeGrimy avantoe1Uncommon5,584
Grimy kwuarmGrimy kwuarm1Uncommon6,069
Grimy cadantineGrimy cadantine1Uncommon3,375
Grimy lantadymeGrimy lantadyme1Rare7,625
Grimy dwarf weedGrimy dwarf weed1Rare8,468

CharmsEdit

Charm drop numbers
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.
Please add to the log.
(Only if 50 or more creatures are killed)

Note: Only the level 12 Cave Bugs drop charms

RunesEdit

Item Quantity Rarity GE market price
Water runeWater rune1–167Common21–3,507
Earth runeEarth rune1–147Common14–2,058
Fire runeFire rune1–91Uncommon61–5,551
Nature runeNature rune1–8Uncommon301–2,408

OtherEdit

Item Quantity Rarity GE market price
Coins 25Coins2–36CommonNot sold
Swamp weedSwamp weed1–8Common405–3,240
Clue scroll (easy)Clue scroll (easy)1RareNot sold
Water battlestaffWater battlestaff1Rare8,508
Spirit sapphireSpirit sapphire1RareNot sold
Spirit emeraldSpirit emerald1RareNot sold
Spirit rubySpirit ruby1RareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold

Rare drop table dropsEdit

This monster has access to the rare drop table.
The ring of wealth is not required to access the table.
Show/hide rare drop table
Item Quantity Rarity GE market price
Coins 1000Coins50; 250–500; 3,000CommonNot sold
Uncut sapphireUncut sapphire1Common1,171
Uncut emeraldUncut emerald1Common2,024
Uncut rubyUncut ruby1Uncommon3,029
Uncut diamondUncut diamond1; 2; 45–55 (noted)Uncommon5,464–300,520
Loop half of a keyLoop half of a key1Uncommon24,552
Tooth half of a keyTooth half of a key1Uncommon36,222
Uncut dragonstoneUncut dragonstone1; 45–55 (noted)Uncommon13,677–752,235
Dragon longswordDragon longsword1Uncommon57,878
Dragon spearDragon spear1Uncommon35,366
BattlestaffBattlestaff180–220 (noted)Uncommon1,385,100–1,692,900
Rune javelinRune javelin5Rare905
Rune platebodyRune platebody1Uncommon38,099
Shield left halfShield left half1Uncommon64,777
Dragon helmDragon helm1Uncommon58,926
Rune arrowheads 5Rune arrowheads113–137Uncommon21,470–26,030
Onyx bolts 5Onyx bolts135–165Uncommon1,139,265–1,392,435
Vecna skullVecna skull1Uncommon70,436
Water talismanWater talisman65–82 (noted)Uncommon949,000–1,197,200
Earth talismanEarth talisman65–82 (noted)Uncommon312,845–394,666
Fire talismanFire talisman25–35 (noted)Uncommon106,125–148,575
Chaos talismanChaos talisman1Uncommon585
Nature talismanNature talisman1Uncommon312
Raw lobsterRaw lobster135–165 (noted)Uncommon45,765–55,935
Raw sharkRaw shark225–275 (noted)Uncommon252,900–309,100
Big bonesBig bones80–90 (noted)Uncommon36,800–41,400
Dragon bonesDragon bones180–220 (noted)Uncommon386,640–472,560
CoalCoal200–1,100 (noted)Uncommon61,200–336,600
Gold oreGold ore90–110 (noted)Uncommon19,980–24,420
Adamantite oreAdamantite ore180–220 (noted)Uncommon234,360–286,440
Adamant barAdamant bar15 (noted)Common43,545
Adamant barAdamant bar135–165 (noted)Rare391,905–478,995
Runite oreRunite ore90–110 (noted)Rare952,920–1,164,680
Rune barRune bar3 (noted)Common42,630
Rune barRune bar45–55 (noted)Rare639,450–781,550
Grimy torstolGrimy torstol90–110 (noted)Uncommon637,920–779,680
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon415,440–507,760
Super restore (4)Super restore (4)45–55 (noted)Uncommon227,700–278,300
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon185,535–226,765
Herb seed 5Lantadyme seed14–16Uncommon236,292–270,048
Herb seed 5Dwarf weed seed14–16Uncommon335,902–383,888
Magic seed 5Magic seed4Uncommon597,552
Palm tree seed 5Palm tree seed10Uncommon1,305,080
FlaxFlax450–550 (noted)Uncommon34,650–42,350
Molten glassMolten glass45–55 (noted)Uncommon13,950–17,050
Soft claySoft clay450–550 (noted)Uncommon99,900–122,100
Yew logsYew logs68–82; 675–825 (noted)Uncommon20,332–246,675
Teak plankTeak plank45–55 (noted)Uncommon44,910–54,890
Mahogany plankMahogany plank270–330 (noted)Uncommon660,150–806,850
Brawling gloves (Melee)Brawling gloves (Melee)1RareNot sold
Brawling gloves (Magic)Brawling gloves (Magic)1RareNot sold
Brawling gloves (Ranged)Brawling gloves (Ranged)1RareNot sold
Brawling gloves (Agility)Brawling gloves (Agility)1RareNot sold
Brawling gloves (Cooking)Brawling gloves (Cooking)1RareNot sold
Brawling gloves (FM)Brawling gloves (FM)1RareNot sold
Brawling gloves (Fishing)Brawling gloves (Fishing)1RareNot sold
Brawling gloves (Hunter)Brawling gloves (Hunter)1RareNot sold
Brawling gloves (Mining)Brawling gloves (Mining)1RareNot sold
Brawling gloves (Prayer)Brawling gloves (Prayer)1RareNot sold
Brawling gloves (Smithing)Brawling gloves (Smithing)1RareNot sold
Brawling gloves (Thieving)Brawling gloves (Thieving)1RareNot sold
Brawling gloves (WC)Brawling gloves (WC)1RareNot 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 market 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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