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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 guam1Common430
Grimy marrentillGrimy marrentill1Common202
Grimy tarrominGrimy tarromin1Common25
Grimy harralanderGrimy harralander1Common99
Grimy ranarrGrimy ranarr1Uncommon3,022
Grimy iritGrimy irit1Uncommon2,796
Grimy avantoeGrimy avantoe1Uncommon4,902
Grimy kwuarmGrimy kwuarm1Uncommon4,635
Grimy cadantineGrimy cadantine1Rare3,410
Grimy lantadymeGrimy lantadyme1Rare6,895
Grimy dwarf weedGrimy dwarf weed1Rare7,131

Herblore ingredientsEdit

Item Quantity Rarity GE market price
Eye of newtEye of newt1Common5
Limpwurt rootLimpwurt root1Common1,666
Snape grassSnape grass1Common74
Red spiders' eggsRed spiders' eggs1Common912
Unicorn horn dustUnicorn horn dust1Common710

OtherEdit

Item Quantity Rarity GE market price
Coins 5Coins3–8CommonNot sold
TinderboxTinderbox1Common192
Swamp weedSwamp weed1–8Common389–3,112
Candle lantern (empty)Candle lantern (empty)1Uncommon5
CandleCandle1Rare137

Drops (level 12)Edit

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common430
Grimy marrentillGrimy marrentill1Common202
Grimy tarrominGrimy tarromin1Common25
Grimy harralanderGrimy harralander1Common99
Grimy ranarrGrimy ranarr1Uncommon3,022
Grimy iritGrimy irit1Uncommon2,796
Grimy avantoeGrimy avantoe1Uncommon4,902
Grimy kwuarmGrimy kwuarm1Uncommon4,635
Grimy cadantineGrimy cadantine1Uncommon3,410
Grimy lantadymeGrimy lantadyme1Rare6,895
Grimy dwarf weedGrimy dwarf weed1Rare7,131

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.
Please add to the log.
(Only if 50 or more creatures are killed)

Note: Only the level 12 Cave Bugs drop charms

RunesEdit

Item Quantity Rarity GE market price
Water runeWater rune1–167Common17–2,839
Earth runeEarth rune1–147Common13–1,911
Fire runeFire rune1–91Uncommon62–5,642
Nature runeNature rune1–8Uncommon306–2,448

OtherEdit

Item Quantity Rarity GE market price
Coins 25Coins2–36CommonNot sold
Swamp weedSwamp weed1–8Common389–3,112
Clue scroll (easy)Clue scroll (easy)1RareNot sold
Water battlestaffWater battlestaff1Rare8,301
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 sapphire1Common958
Uncut emeraldUncut emerald1Common1,835
Uncut rubyUncut ruby1Common2,403
Uncut diamondUncut diamond1Common3,990
Uncut diamondUncut diamond45–55 (noted)Rare179,550–219,450
Loop half of a keyLoop half of a key1Uncommon19,318
Tooth half of a keyTooth half of a key1Uncommon38,355
Uncut dragonstoneUncut dragonstone1Uncommon12,264
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare551,880–674,520
Dragon longswordDragon longsword1Common57,942
Dragon spearDragon spear1Uncommon36,339
BattlestaffBattlestaff180–220 (noted)Uncommon1,288,440–1,574,760
Rune javelinRune javelin5Rare895
Rune platebodyRune platebody1Uncommon38,078
Rune platebodyRune platebody15–25 (noted)Rare571,170–951,950
Shield left halfShield left half1Uncommon64,515
Dragon helmDragon helm1Uncommon59,045
Rune arrowheads 5Rune arrowheads113–137Common21,696–26,304
Onyx bolts 5Onyx bolts135–165Rare1,123,065–1,372,635
Vecna skullVecna skull1Uncommon59,518
Chaos talismanChaos talisman1Uncommon625
Nature talismanNature talisman1Uncommon244
Water talismanWater talisman65–82 (noted)Rare803,660–1,013,848
Earth talismanEarth talisman65–82 (noted)Rare200,070–252,396
Fire talismanFire talisman25–35 (noted)Rare82,975–116,165
Raw lobsterRaw lobster135–165 (noted)Uncommon30,375–37,125
Raw sharkRaw shark225–275 (noted)Uncommon282,825–345,675
Big bonesBig bones80–90 (noted)Uncommon33,280–37,440
Dragon bonesDragon bones180–220 (noted)Uncommon483,660–591,140
CoalCoal200–1,100 (noted)Uncommon62,800–345,400
Gold oreGold ore90–110 (noted)Common17,280–21,120
Adamantite oreAdamantite ore180–220 (noted)Uncommon217,800–266,200
Adamant barAdamant bar15 (noted)Common41,580
Adamant barAdamant bar135–165 (noted)Rare374,220–457,380
Runite oreRunite ore90–110 (noted)Rare964,620–1,178,980
Rune barRune bar3 (noted)Common42,915
Rune barRune bar45–55 (noted)Rare643,725–786,775
Grimy torstolGrimy torstol90–110 (noted)Uncommon491,310–600,490
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon461,070–563,530
Super restore (4)Super restore (4)45–55 (noted)Uncommon197,505–241,395
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon140,850–172,150
Herb seed 5Lantadyme seed14–16Uncommon213,570–244,080
Herb seed 5Dwarf weed seed14–16Uncommon297,150–339,600
Magic seed 5Magic seed4Uncommon702,280
Palm tree seed 5Palm tree seed10Rare1,809,610
FlaxFlax450–550 (noted)Common19,800–24,200
Molten glassMolten glass45–55 (noted)Common10,215–12,485
Soft claySoft clay450–550 (noted)Uncommon100,350–122,650
Yew logsYew logs68–82Uncommon19,924–24,026
Yew logsYew logs675–825 (noted)Rare197,775–241,725
Teak plankTeak plank45–55 (noted)Uncommon35,235–43,065
Mahogany plankMahogany plank270–330 (noted)Rare552,420–675,180
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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