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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 guam1Common340
Grimy marrentillGrimy marrentill1Common155
Grimy tarrominGrimy tarromin1Common35
Grimy harralanderGrimy harralander1Common87
Grimy ranarrGrimy ranarr1Uncommon2,379
Grimy iritGrimy irit1Uncommon2,076
Grimy avantoeGrimy avantoe1Uncommon4,073
Grimy kwuarmGrimy kwuarm1Uncommon4,737
Grimy cadantineGrimy cadantine1Rare3,302
Grimy lantadymeGrimy lantadyme1Rare6,096
Grimy dwarf weedGrimy dwarf weed1Rare6,650

Herblore ingredientsEdit

Item Quantity Rarity GE market price
Eye of newtEye of newt1Common6
Limpwurt rootLimpwurt root1Common1,071
Snape grassSnape grass1Common57
Red spiders' eggsRed spiders' eggs1Common913
Unicorn horn dustUnicorn horn dust1Common410

OtherEdit

Item Quantity Rarity GE market price
Coins 5Coins3–8CommonNot sold
TinderboxTinderbox1Common189
Swamp weedSwamp weed1–8Common396–3,168
Candle lantern (empty)Candle lantern (empty)1Uncommon10
CandleCandle1Rare245

Drops (level 12)Edit

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common340
Grimy marrentillGrimy marrentill1Common155
Grimy tarrominGrimy tarromin1Common35
Grimy harralanderGrimy harralander1Common87
Grimy ranarrGrimy ranarr1Uncommon2,379
Grimy iritGrimy irit1Uncommon2,076
Grimy avantoeGrimy avantoe1Uncommon4,073
Grimy kwuarmGrimy kwuarm1Uncommon4,737
Grimy cadantineGrimy cadantine1Uncommon3,302
Grimy lantadymeGrimy lantadyme1Rare6,096
Grimy dwarf weedGrimy dwarf weed1Rare6,650

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 rune1–147Common12–1,764
Fire runeFire rune1–91Uncommon45–4,095
Nature runeNature rune1–8Uncommon174–1,392

OtherEdit

Item Quantity Rarity GE market price
Coins 25Coins2–36CommonNot sold
Swamp weedSwamp weed1–8Common396–3,168
Clue scroll (easy)Clue scroll (easy)1RareNot sold
Water battlestaffWater battlestaff1Rare8,500
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 sapphire1Common742
Uncut emeraldUncut emerald1Common1,338
Uncut rubyUncut ruby1Common2,232
Uncut diamondUncut diamond1Common3,976
Uncut diamondUncut diamond45–55 (noted)Rare178,920–218,680
Loop half of a keyLoop half of a key1Uncommon17,596
Tooth half of a keyTooth half of a key1Uncommon36,670
Uncut dragonstoneUncut dragonstone1Uncommon12,508
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare562,860–687,940
Dragon longswordDragon longsword1Common58,387
Dragon spearDragon spear1Uncommon36,005
BattlestaffBattlestaff180–220 (noted)Uncommon1,301,040–1,590,160
Rune javelinRune javelin5Rare915
Rune platebodyRune platebody1Uncommon38,291
Rune platebodyRune platebody15–25 (noted)Rare574,365–957,275
Shield left halfShield left half1Uncommon64,539
Dragon helmDragon helm1Uncommon59,136
Rune arrowheads 5Rune arrowheads113–137Common24,747–30,003
Onyx bolts 5Onyx bolts135–165Rare1,139,265–1,392,435
Vecna skullVecna skull1Uncommon40,008
Chaos talismanChaos talisman1Uncommon882
Nature talismanNature talisman1Uncommon203
Water talismanWater talisman65–82 (noted)Rare756,015–953,742
Earth talismanEarth talisman65–82 (noted)Rare181,025–228,370
Fire talismanFire talisman25–35 (noted)Rare67,425–94,395
Raw lobsterRaw lobster135–165 (noted)Uncommon25,380–31,020
Raw sharkRaw shark225–275 (noted)Uncommon175,275–214,225
Big bonesBig bones79–90 (noted)Uncommon31,600–36,000
Dragon bonesDragon bones180–220 (noted)Uncommon371,880–454,520
CoalCoal200–1,100 (noted)Uncommon69,800–383,900
Gold oreGold ore90–110 (noted)Common15,930–19,470
Adamantite oreAdamantite ore180–220 (noted)Uncommon253,800–310,200
Adamant barAdamant bar15 (noted)Common43,125
Adamant barAdamant bar135–165 (noted)Rare388,125–474,375
Runite oreRunite ore90–110 (noted)Rare951,210–1,162,590
Rune barRune bar3 (noted)Common42,951
Rune barRune bar45–55 (noted)Rare644,265–787,435
Grimy torstolGrimy torstol90–110 (noted)Uncommon437,400–534,600
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon324,360–396,440
Super restore (4)Super restore (4)45–55 (noted)Uncommon132,570–162,030
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon123,165–150,535
Herb seed 5Lantadyme seed14–16Uncommon134,120–153,280
Herb seed 5Dwarf weed seed14–16Uncommon194,390–222,160
Magic seed 5Magic seed4Uncommon559,428
Palm tree seed 5Palm tree seed10Rare1,476,770
FlaxFlax450–550 (noted)Common13,050–15,950
Molten glassMolten glass45–55 (noted)Common6,615–8,085
Soft claySoft clay450–550 (noted)Uncommon86,850–106,150
Yew logsYew logs68–82Uncommon18,836–22,714
Yew logsYew logs675–825 (noted)Rare186,975–228,525
Teak plankTeak plank45–55 (noted)Uncommon33,570–41,030
Mahogany plankMahogany plank270–330 (noted)Rare580,230–709,170
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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