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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 guam1Common319
Grimy marrentillGrimy marrentill1Common190
Grimy tarrominGrimy tarromin1Common41
Grimy harralanderGrimy harralander1Common117
Grimy ranarrGrimy ranarr1Uncommon2,720
Grimy iritGrimy irit1Uncommon2,524
Grimy avantoeGrimy avantoe1Uncommon4,884
Grimy kwuarmGrimy kwuarm1Uncommon6,550
Grimy cadantineGrimy cadantine1Rare6,182
Grimy lantadymeGrimy lantadyme1Rare6,837
Grimy dwarf weedGrimy dwarf weed1Rare6,760

Herblore ingredientsEdit

Item Quantity Rarity GE market price
Eye of newtEye of newt1Common8
Limpwurt rootLimpwurt root1Common1,384
Snape grassSnape grass1Common42
Red spiders' eggsRed spiders' eggs1Common1,164
Unicorn horn dustUnicorn horn dust1Common382

OtherEdit

Item Quantity Rarity GE market price
Coins 5Coins3–8CommonNot sold
TinderboxTinderbox1Common172
Swamp weedSwamp weed1–8Common388–3,104
Candle lantern (empty)Candle lantern (empty)1Uncommon12
CandleCandle1Rare288
Bronze gauntletsBronze gauntlets1Rare105

Drops (level 12)Edit

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common319
Grimy marrentillGrimy marrentill1Common190
Grimy tarrominGrimy tarromin1Common41
Grimy harralanderGrimy harralander1Common117
Grimy ranarrGrimy ranarr1Uncommon2,720
Grimy iritGrimy irit1Uncommon2,524
Grimy avantoeGrimy avantoe1Uncommon4,884
Grimy kwuarmGrimy kwuarm1Uncommon6,550
Grimy cadantineGrimy cadantine1Uncommon6,182
Grimy lantadymeGrimy lantadyme1Rare6,837
Grimy dwarf weedGrimy dwarf weed1Rare6,760

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.
Add data to the log
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Note: Only the level 12 Cave Bugs drop charms

RunesEdit

Item Quantity Rarity GE market price
Water runeWater rune1–167Common19–3,173
Earth runeEarth rune1–147Common13–1,911
Fire runeFire rune1–91Uncommon78–7,098
Nature runeNature rune1–8Uncommon285–2,280

OtherEdit

Item Quantity Rarity GE market price
Coins 25Coins2–36CommonNot sold
Swamp weedSwamp weed1–8Common388–3,104
Clue scroll (easy)Clue scroll (easy)1RareNot sold
Water battlestaffWater battlestaff1Rare8,611
Bronze gauntletsBronze gauntlets1Unknown105
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 1000Coins250–500; 3,000CommonNot sold
Uncut sapphireUncut sapphire1Common898
Uncut emeraldUncut emerald1Common1,621
Uncut rubyUncut ruby1Common2,612
Uncut diamondUncut diamond1Common4,184
Uncut diamondUncut diamond45–55 (noted)Rare188,280–230,120
Loop half of a keyLoop half of a key1Uncommon18,458
Tooth half of a keyTooth half of a key1Uncommon39,325
Uncut dragonstoneUncut dragonstone1Uncommon13,103
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare589,635–720,665
Dragon longswordDragon longsword1Common57,788
Dragon spearDragon spear1Uncommon35,394
BattlestaffBattlestaff180–220 (noted)Uncommon1,285,920–1,571,680
Rune javelinRune javelin5Rare915
Rune platebodyRune platebody1Uncommon37,987
Rune platebodyRune platebody15–25 (noted)Rare569,805–949,675
Shield left halfShield left half1Uncommon64,310
Dragon helmDragon helm1Uncommon58,740
Rune arrowheads 5Rune arrowheads113–137Common24,069–29,181
Onyx bolts 5Onyx bolts135–165Rare1,123,605–1,373,295
Vecna skullVecna skull1Uncommon40,426
Chaos talismanChaos talisman1Uncommon879
Nature talismanNature talisman1Uncommon514
Water talismanWater talisman65–82 (noted)Rare809,120–1,020,736
Earth talismanEarth talisman65–82 (noted)Rare233,415–294,462
Fire talismanFire talisman25–35 (noted)Rare83,650–117,110
Raw lobsterRaw lobster135–165 (noted)Uncommon25,920–31,680
Raw sharkRaw shark225–275 (noted)Uncommon207,675–253,825
Big bonesBig bones79–90 (noted)Uncommon29,072–33,120
Dragon bonesDragon bones180–220 (noted)Uncommon358,740–438,460
CoalCoal200–1,100 (noted)Uncommon72,800–400,400
Gold oreGold ore90–110 (noted)Common13,770–16,830
Adamantite oreAdamantite ore180–220 (noted)Uncommon237,960–290,840
Adamant barAdamant bar15 (noted)Common45,915
Adamant barAdamant bar135–165 (noted)Rare413,235–505,065
Runite oreRunite ore90–110 (noted)Rare912,690–1,115,510
Rune barRune bar3 (noted)Common42,150
Rune barRune bar45–55 (noted)Rare632,250–772,750
Grimy torstolGrimy torstol90–110 (noted)Uncommon507,600–620,400
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon376,560–460,240
Super restore (4)Super restore (4)45–55 (noted)Uncommon192,825–235,675
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon134,145–163,955
Herb seed 5Lantadyme seed14–16Uncommon105,084–120,096
Herb seed 5Dwarf weed seed14–16Uncommon117,880–134,720
Magic seed 5Magic seed4Uncommon385,092
Palm tree seed 5Palm tree seed10Rare1,532,500
FlaxFlax450–550 (noted)Common11,700–14,300
Molten glassMolten glass45–55 (noted)Common6,750–8,250
Soft claySoft clay450–550 (noted)Uncommon83,250–101,750
Yew logsYew logs68–82Uncommon14,416–17,384
Yew logsYew logs675–825 (noted)Rare143,100–174,900
Teak plankTeak plank45–55 (noted)Uncommon30,195–36,905
Mahogany plankMahogany plank270–330 (noted)Rare621,810–759,990
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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