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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 guam1Common118
Grimy marrentillGrimy marrentill1Common170
Grimy tarrominGrimy tarromin1Common32
Grimy harralanderGrimy harralander1Common79
Grimy ranarrGrimy ranarr1Uncommon3,081
Grimy iritGrimy irit1Uncommon3,331
Grimy avantoeGrimy avantoe1Uncommon2,315
Grimy kwuarmGrimy kwuarm1Uncommon5,172
Grimy cadantineGrimy cadantine1Rare4,932
Grimy lantadymeGrimy lantadyme1Rare4,323
Grimy dwarf weedGrimy dwarf weed1Rare2,654
Eye of newtEye of newt1Common8
Limpwurt rootLimpwurt root1Common2,565
Snape grassSnape grass1Common12
Red spiders' eggsRed spiders' eggs1Common2,632
Unicorn horn dustUnicorn horn dust1Common279
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common322
Swamp weedSwamp weed1–8Common381–3,048
Candle lantern (empty)Candle lantern (empty)1Uncommon135
CandleCandle1Rare181
Bronze gauntletsBronze gauntlets1Rare928
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 guam1Common118
Grimy marrentillGrimy marrentill1Common170
Grimy tarrominGrimy tarromin1Common32
Grimy harralanderGrimy harralander1Common79
Grimy ranarrGrimy ranarr1Uncommon3,081
Grimy iritGrimy irit1Uncommon3,331
Grimy avantoeGrimy avantoe1Uncommon2,315
Grimy kwuarmGrimy kwuarm1Uncommon5,172
Grimy cadantineGrimy cadantine1Uncommon4,932
Grimy lantadymeGrimy lantadyme1Rare4,323
Grimy dwarf weedGrimy dwarf weed1Rare2,654
Water runeWater rune1–167Common19–3,173
Earth runeEarth rune1–147Common19–2,793
Fire runeFire rune1–91Uncommon96–8,736
Nature runeNature rune1–8Uncommon406–3,248
Rare drop tableRare drop table1RareNot sold
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common381–3,048
Water battlestaffWater battlestaff1Rare8,387
Bronze gauntletsBronze gauntlets1Unknown928
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 sapphire1Common934
Uncut emeraldUncut emerald1Common2,049
Uncut rubyUncut ruby1Common2,390
Uncut diamondUncut diamond1Common3,914
Uncut diamondUncut diamond45–55 (noted)Rare176,130–215,270
Loop half of a keyLoop half of a key1Common19,858
Tooth half of a keyTooth half of a key1Common22,587
Uncut dragonstoneUncut dragonstone1Uncommon11,244
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare505,980–618,420
Dragon longswordDragon longsword1Common55,611
Dragon spearDragon spear1Rare35,900
BattlestaffBattlestaff180–220 (noted)Rare1,207,980–1,476,420
Rune javelinRune javelin5Rare930
Rune platebodyRune platebody1Uncommon37,254
Rune platebodyRune platebody15–25 (noted)Rare558,810–931,350
Shield left halfShield left half1Rare63,667
Dragon helmDragon helm1Uncommon58,153
Rune arrowheads 5Rune arrowheads113–137Common21,809–26,441
Onyx bolts 5Onyx bolts135–165Very rare1,055,025–1,289,475
Chaos talismanChaos talisman1Rare1,316
Nature talismanNature talisman1Rare900
Water talismanWater talisman65–82 (noted)Rare397,280–501,184
Earth talismanEarth talisman65–82 (noted)Rare150,930–190,404
Fire talismanFire talisman25–35 (noted)Rare38,950–54,530
Raw lobsterRaw lobster135–165 (noted)Common18,630–22,770
Raw sharkRaw shark225–275 (noted)Uncommon268,875–328,625
Big bonesBig bones72–90 (noted)Uncommon27,648–34,560
Dragon bonesDragon bones180–220 (noted)Rare302,580–369,820
CoalCoal200–1,100 (noted)Uncommon34,800–191,400
Gold oreGold ore90–110 (noted)Common12,870–15,730
Adamantite oreAdamantite ore180–220 (noted)Uncommon203,760–249,040
Adamant barAdamant bar14–16 (noted)Common44,926–51,344
Adamant barAdamant bar135–165 (noted)Rare433,215–529,485
Runite oreRunite ore90–110 (noted)Rare950,310–1,161,490
Rune barRune bar(noted)Common41,115
Rune barRune bar45–55 (noted)Rare616,725–753,775
Grimy torstolGrimy torstol90–110 (noted)Uncommon398,700–487,300
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon296,100–361,900
Super restore (4)Super restore (4)45–55 (noted)Uncommon253,350–309,650
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon218,340–266,860
Lantadyme seed 5Lantadyme seed14–16Uncommon19,754–22,576
Dwarf weed seed 5Dwarf weed seed14–16Uncommon16,352–18,688
Magic seed 5Magic seed4Uncommon500,060
Palm tree seed 5Palm tree seed10Rare2,151,100
FlaxFlax450–550 (noted)Common5,850–7,150
Molten glassMolten glass45–55 (noted)Common14,850–18,150
Soft claySoft clay450–550 (noted)Uncommon152,550–186,450
Yew logsYew logs68–82Uncommon13,464–16,236
Yew logsYew logs675–825 (noted)Rare133,650–163,350
Teak plankTeak plank45–55 (noted)Uncommon42,390–51,810
Mahogany plankMahogany plank270–330 (noted)Rare568,350–694,650
Blurberry specialBlurberry special1Uncommon1,792
Vecna skullVecna skull1Very rare*365,608
Hazelmere's signet ringHazelmere's signet ring1Very rare*18,309,594
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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