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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 guam1Common214
Grimy marrentillGrimy marrentill1Common172
Grimy tarrominGrimy tarromin1Common44
Grimy harralanderGrimy harralander1Common162
Grimy ranarrGrimy ranarr1Uncommon2,640
Grimy iritGrimy irit1Uncommon2,402
Grimy avantoeGrimy avantoe1Uncommon4,619
Grimy kwuarmGrimy kwuarm1Uncommon5,852
Grimy cadantineGrimy cadantine1Rare5,319
Grimy lantadymeGrimy lantadyme1Rare5,882
Grimy dwarf weedGrimy dwarf weed1Rare5,627
Eye of newtEye of newt1Common7
Limpwurt rootLimpwurt root1Common1,231
Snape grassSnape grass1Common30
Red spiders' eggsRed spiders' eggs1Common1,768
Unicorn horn dustUnicorn horn dust1Common296
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common143
Swamp weedSwamp weed1–8Common370–2,960
Candle lantern (empty)Candle lantern (empty)1Uncommon21
CandleCandle1Rare259
Bronze gauntletsBronze gauntlets1Rare234
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
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Only the level 12 Cave Bugs drop charms

Main dropEdit

Item Quantity Rarity GE price
Grimy guamGrimy guam1Common214
Grimy marrentillGrimy marrentill1Common172
Grimy tarrominGrimy tarromin1Common44
Grimy harralanderGrimy harralander1Common162
Grimy ranarrGrimy ranarr1Uncommon2,640
Grimy iritGrimy irit1Uncommon2,402
Grimy avantoeGrimy avantoe1Uncommon4,619
Grimy kwuarmGrimy kwuarm1Uncommon5,852
Grimy cadantineGrimy cadantine1Uncommon5,319
Grimy lantadymeGrimy lantadyme1Rare5,882
Grimy dwarf weedGrimy dwarf weed1Rare5,627
Water runeWater rune1–167Common17–2,839
Earth runeEarth rune1–147Common18–2,646
Fire runeFire rune1–91Uncommon115–10,465
Nature runeNature rune1–8Uncommon305–2,440
Rare drop tableRare drop table1RareNot sold
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common370–2,960
Water battlestaffWater battlestaff1Rare8,920
Bronze gauntletsBronze gauntlets1Unknown234
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.
The ring of wealth is 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 sapphire1Common1,140
Uncut emeraldUncut emerald1Common1,862
Uncut rubyUncut ruby1Common3,235
Uncut diamondUncut diamond1Common5,926
Uncut diamondUncut diamond45–55 (noted)Rare266,670–325,930
Loop half of a keyLoop half of a key1Common18,666
Tooth half of a keyTooth half of a key1Common31,187
Uncut dragonstoneUncut dragonstone1Uncommon14,873
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare669,285–818,015
Dragon longswordDragon longsword1Common57,053
Dragon spearDragon spear1Rare36,476
BattlestaffBattlestaff180–220 (noted)Rare1,377,900–1,684,100
Rune javelinRune javelin5Rare1,340
Rune platebodyRune platebody1Uncommon37,961
Rune platebodyRune platebody15–25 (noted)Rare569,415–949,025
Shield left halfShield left half1Rare64,485
Dragon helmDragon helm1Uncommon58,998
Rune arrowheads 5Rune arrowheads113–137Common18,645–22,605
Onyx bolts 5Onyx bolts135–165Very rare1,138,185–1,391,115
Vecna skullVecna skull1Rare78,092
Chaos talismanChaos talisman1Rare1,611
Nature talismanNature talisman1Rare955
Water talismanWater talisman65–82 (noted)Rare679,575–857,310
Earth talismanEarth talisman65–82 (noted)Rare161,265–203,442
Fire talismanFire talisman25–35 (noted)Rare61,300–85,820
Raw lobsterRaw lobster135–165 (noted)Common18,630–22,770
Raw sharkRaw shark225–275 (noted)Uncommon245,475–300,025
Big bonesBig bones79–90 (noted)Uncommon28,361–32,310
Dragon bonesDragon bones180–220 (noted)Rare563,220–688,380
CoalCoal200–1,100 (noted)Uncommon79,800–438,900
Gold oreGold ore90–110 (noted)Common14,130–17,270
Adamantite oreAdamantite ore180–220 (noted)Uncommon207,720–253,880
Adamant barAdamant bar15 (noted)Common55,890
Adamant barAdamant bar135–165 (noted)Rare503,010–614,790
Runite oreRunite ore90–110 (noted)Rare858,240–1,048,960
Rune barRune bar3 (noted)Common41,622
Rune barRune bar45–55 (noted)Rare624,330–763,070
Grimy torstolGrimy torstol90–110 (noted)Uncommon479,700–586,300
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon333,360–407,440
Super restore (4)Super restore (4)45–55 (noted)Uncommon225,720–275,880
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon148,635–181,665
Lantadyme seed 5Lantadyme seed14–16Uncommon39,270–44,880
Dwarf weed seed 5Dwarf weed seed14–16Uncommon41,118–46,992
Magic seed 5Magic seed4Uncommon364,592
Palm tree seed 5Palm tree seed10Rare1,002,650
FlaxFlax450–550 (noted)Common9,900–12,100
Molten glassMolten glass45–55 (noted)Common12,915–15,785
Soft claySoft clay450–550 (noted)Uncommon118,350–144,650
Yew logsYew logs68–82Uncommon17,748–21,402
Yew logsYew logs675–825 (noted)Rare176,175–215,325
Teak plankTeak plank45–55 (noted)Uncommon31,230–38,170
Mahogany plankMahogany plank270–330 (noted)Rare618,030–755,370
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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