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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 guam1Common135
Grimy marrentillGrimy marrentill1Common200
Grimy tarrominGrimy tarromin1Common32
Grimy harralanderGrimy harralander1Common96
Grimy ranarrGrimy ranarr1Uncommon2,997
Grimy iritGrimy irit1Uncommon4,430
Grimy avantoeGrimy avantoe1Uncommon3,057
Grimy kwuarmGrimy kwuarm1Uncommon6,615
Grimy cadantineGrimy cadantine1Rare6,528
Grimy lantadymeGrimy lantadyme1Rare4,267
Grimy dwarf weedGrimy dwarf weed1Rare3,570
Eye of newtEye of newt1Common7
Limpwurt rootLimpwurt root1Common2,148
Snape grassSnape grass1Common12
Red spiders' eggsRed spiders' eggs1Common1,771
Unicorn horn dustUnicorn horn dust1Common304
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common277
Swamp weedSwamp weed1–8Common397–3,176
Candle lantern (empty)Candle lantern (empty)1Uncommon102
CandleCandle1Rare251
Bronze gauntletsBronze gauntlets1Rare792
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 guam1Common135
Grimy marrentillGrimy marrentill1Common200
Grimy tarrominGrimy tarromin1Common32
Grimy harralanderGrimy harralander1Common96
Grimy ranarrGrimy ranarr1Uncommon2,997
Grimy iritGrimy irit1Uncommon4,430
Grimy avantoeGrimy avantoe1Uncommon3,057
Grimy kwuarmGrimy kwuarm1Uncommon6,615
Grimy cadantineGrimy cadantine1Uncommon6,528
Grimy lantadymeGrimy lantadyme1Rare4,267
Grimy dwarf weedGrimy dwarf weed1Rare3,570
Water runeWater rune1–167Common16–2,672
Earth runeEarth rune1–147Common14–2,058
Fire runeFire rune1–91Uncommon88–8,008
Nature runeNature rune1–8Uncommon390–3,120
Rare drop tableRare drop table1RareNot sold
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common397–3,176
Water battlestaffWater battlestaff1Rare8,441
Bronze gauntletsBronze gauntlets1Unknown792
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 sapphire1Common1,016
Uncut emeraldUncut emerald1Common2,044
Uncut rubyUncut ruby1Common3,074
Uncut diamondUncut diamond1Common4,833
Uncut diamondUncut diamond45–55 (noted)Rare217,485–265,815
Loop half of a keyLoop half of a key1Common19,023
Tooth half of a keyTooth half of a key1Common25,251
Uncut dragonstoneUncut dragonstone1Uncommon13,574
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare610,830–746,570
Dragon longswordDragon longsword1Common56,967
Dragon spearDragon spear1Rare36,896
BattlestaffBattlestaff180–220 (noted)Rare1,235,700–1,510,300
Rune javelinRune javelin5Rare950
Rune platebodyRune platebody1Uncommon37,391
Rune platebodyRune platebody15–25 (noted)Rare560,865–934,775
Shield left halfShield left half1Rare63,862
Dragon helmDragon helm1Uncommon58,780
Rune arrowheads 5Rune arrowheads113–137Common22,374–27,126
Onyx bolts 5Onyx bolts135–165Very rare1,047,870–1,280,730
Vecna skullVecna skull1Very rare72,324
Chaos talismanChaos talisman1Rare1,406
Nature talismanNature talisman1Rare1,197
Water talismanWater talisman65–82 (noted)Rare502,970–634,516
Earth talismanEarth talisman65–82 (noted)Rare145,080–183,024
Fire talismanFire talisman25–35 (noted)Rare49,825–69,755
Raw lobsterRaw lobster135–165 (noted)Common13,905–16,995
Raw sharkRaw shark225–275 (noted)Uncommon252,225–308,275
Big bonesBig bones72–90 (noted)Uncommon26,856–33,570
Dragon bonesDragon bones180–220 (noted)Rare306,180–374,220
CoalCoal200–1,100 (noted)Uncommon35,400–194,700
Gold oreGold ore90–110 (noted)Common12,780–15,620
Adamantite oreAdamantite ore180–220 (noted)Uncommon218,160–266,640
Adamant barAdamant bar14–16 (noted)Common39,676–45,344
Adamant barAdamant bar135–165 (noted)Rare382,590–467,610
Runite oreRunite ore90–110 (noted)Rare991,710–1,212,090
Rune barRune bar(noted)Common41,619
Rune barRune bar45–55 (noted)Rare624,285–763,015
Grimy torstolGrimy torstol90–110 (noted)Uncommon449,640–549,560
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon495,450–605,550
Super restore (4)Super restore (4)45–55 (noted)Uncommon279,090–341,110
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon173,115–211,585
Lantadyme seed 5Lantadyme seed14–16Uncommon10,150–11,600
Dwarf weed seed 5Dwarf weed seed14–16Uncommon8,512–9,728
Magic seed 5Magic seed4Uncommon383,536
Palm tree seed 5Palm tree seed10Rare1,569,430
FlaxFlax450–550 (noted)Common4,500–5,500
Molten glassMolten glass45–55 (noted)Common10,350–12,650
Soft claySoft clay450–550 (noted)Uncommon152,100–185,900
Yew logsYew logs68–82Uncommon13,124–15,826
Yew logsYew logs675–825 (noted)Rare130,275–159,225
Teak plankTeak plank45–55 (noted)Uncommon39,735–48,565
Mahogany plankMahogany plank270–330 (noted)Rare658,530–804,870
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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