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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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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 guam1Common193
Grimy marrentillGrimy marrentill1Common198
Grimy tarrominGrimy tarromin1Common37
Grimy harralanderGrimy harralander1Common82
Grimy ranarrGrimy ranarr1Uncommon3,290
Grimy iritGrimy irit1Uncommon3,280
Grimy avantoeGrimy avantoe1Uncommon2,321
Grimy kwuarmGrimy kwuarm1Uncommon5,482
Grimy cadantineGrimy cadantine1Rare4,950
Grimy lantadymeGrimy lantadyme1Rare3,486
Grimy dwarf weedGrimy dwarf weed1Rare2,649
Eye of newtEye of newt1Common10
Limpwurt rootLimpwurt root1Common2,207
Snape grassSnape grass1Common14
Red spiders' eggsRed spiders' eggs1Common2,022
Unicorn horn dustUnicorn horn dust1Common241
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common282
Swamp weedSwamp weed1–8Common390–3,120
Candle lantern (empty)Candle lantern (empty)1Uncommon149
CandleCandle1Rare181
Bronze gauntletsBronze gauntlets1Rare960
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).

Only the level 12 Cave Bugs drop charms

Main dropEdit

Item Quantity Rarity GE price
Grimy guamGrimy guam1Common193
Grimy marrentillGrimy marrentill1Common198
Grimy tarrominGrimy tarromin1Common37
Grimy harralanderGrimy harralander1Common82
Grimy ranarrGrimy ranarr1Uncommon3,290
Grimy iritGrimy irit1Uncommon3,280
Grimy avantoeGrimy avantoe1Uncommon2,321
Grimy kwuarmGrimy kwuarm1Uncommon5,482
Grimy cadantineGrimy cadantine1Uncommon4,950
Grimy lantadymeGrimy lantadyme1Rare3,486
Grimy dwarf weedGrimy dwarf weed1Rare2,649
Water runeWater rune1–167Common17–2,839
Earth runeEarth rune1–147Common14–2,058
Fire runeFire rune1–91Uncommon97–8,827
Nature runeNature rune1–8Uncommon409–3,272
Rare drop tableRare drop table1RareNot sold
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common390–3,120
Water battlestaffWater battlestaff1Rare8,250
Bronze gauntletsBronze gauntlets1Unknown960
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.
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 1000Coins250–500; 3,000Common250–3,000
Uncut sapphireUncut sapphire1Common949
Uncut emeraldUncut emerald1Common2,066
Uncut rubyUncut ruby1Common2,664
Uncut diamondUncut diamond1Common3,957
Uncut diamondUncut diamond45–55 (noted)Rare178,065–217,635
Loop half of a keyLoop half of a key1Common20,453
Tooth half of a keyTooth half of a key1Common24,058
Uncut dragonstoneUncut dragonstone1Uncommon11,470
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare516,150–630,850
Dragon longswordDragon longsword1Common55,883
Dragon spearDragon spear1Rare38,561
BattlestaffBattlestaff180–220 (noted)Rare1,225,980–1,498,420
Rune javelinRune javelin5Rare895
Rune platebodyRune platebody1Uncommon37,007
Rune platebodyRune platebody15–25 (noted)Rare555,105–925,175
Shield left halfShield left half1Rare65,245
Dragon helmDragon helm1Uncommon58,270
Rune arrowheads 5Rune arrowheads113–137Common21,131–25,619
Onyx bolts 5Onyx bolts135–165Very rare1,048,005–1,280,895
Chaos talismanChaos talisman1Rare1,724
Nature talismanNature talisman1Rare1,025
Water talismanWater talisman65–82 (noted)Rare351,845–443,866
Earth talismanEarth talisman65–82 (noted)Rare114,920–144,976
Fire talismanFire talisman25–35 (noted)Rare36,400–50,960
Raw lobsterRaw lobster135–165 (noted)Common14,715–17,985
Raw sharkRaw shark225–275 (noted)Uncommon234,225–286,275
Big bonesBig bones72–90 (noted)Uncommon26,352–32,940
Dragon bonesDragon bones180–220 (noted)Rare299,340–365,860
CoalCoal200–1,100 (noted)Uncommon35,200–193,600
Gold oreGold ore90–110 (noted)Common13,230–16,170
Adamantite oreAdamantite ore180–220 (noted)Uncommon227,160–277,640
Adamant barAdamant bar14–16 (noted)Common39,116–44,704
Adamant barAdamant bar135–165 (noted)Rare377,190–461,010
Runite oreRunite ore90–110 (noted)Rare982,710–1,201,090
Rune barRune bar(noted)Common41,706
Rune barRune bar45–55 (noted)Rare625,590–764,610
Grimy torstolGrimy torstol90–110 (noted)Uncommon373,140–456,060
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon293,130–358,270
Super restore (4)Super restore (4)45–55 (noted)Uncommon253,350–309,650
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon221,175–270,325
Lantadyme seed 5Lantadyme seed14–16Uncommon30,744–35,136
Dwarf weed seed 5Dwarf weed seed14–16Uncommon26,754–30,576
Magic seed 5Magic seed4Uncommon401,724
Palm tree seed 5Palm tree seed10Rare1,837,720
FlaxFlax450–550 (noted)Common5,400–6,600
Molten glassMolten glass45–55 (noted)Common16,470–20,130
Soft claySoft clay450–550 (noted)Uncommon179,550–219,450
Yew logsYew logs68–82Uncommon14,076–16,974
Yew logsYew logs675–825 (noted)Rare139,725–170,775
Teak plankTeak plank45–55 (noted)Uncommon35,955–43,945
Mahogany plankMahogany plank270–330 (noted)Rare595,080–727,320
Blurberry specialBlurberry special1Uncommon1,708
Vecna skullVecna skull1Very rare*64,516
Hazelmere's signet ringHazelmere's signet ring1Very rare*15,077,415
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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