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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 guam1Common436
Grimy marrentillGrimy marrentill1Common156
Grimy tarrominGrimy tarromin1Common25
Grimy harralanderGrimy harralander1Common102
Grimy ranarrGrimy ranarr1Uncommon2,473
Grimy iritGrimy irit1Uncommon1,966
Grimy avantoeGrimy avantoe1Uncommon3,604
Grimy kwuarmGrimy kwuarm1Uncommon4,114
Grimy cadantineGrimy cadantine1Rare3,227
Grimy lantadymeGrimy lantadyme1Rare5,740
Grimy dwarf weedGrimy dwarf weed1Rare6,316

Herblore ingredientsEdit

Item Quantity Rarity GE market price
Eye of newtEye of newt1Common4
Limpwurt rootLimpwurt root1Common1,128
Snape grassSnape grass1Common68
Red spiders' eggsRed spiders' eggs1Common794
Unicorn horn dustUnicorn horn dust1Common731

OtherEdit

Item Quantity Rarity GE market price
Coins 5Coins3–8CommonNot sold
TinderboxTinderbox1Common226
Swamp weedSwamp weed1–8Common372–2,976
Candle lantern (empty)Candle lantern (empty)1Uncommon5
CandleCandle1Rare169

Drops (level 12)Edit

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common436
Grimy marrentillGrimy marrentill1Common156
Grimy tarrominGrimy tarromin1Common25
Grimy harralanderGrimy harralander1Common102
Grimy ranarrGrimy ranarr1Uncommon2,473
Grimy iritGrimy irit1Uncommon1,966
Grimy avantoeGrimy avantoe1Uncommon3,604
Grimy kwuarmGrimy kwuarm1Uncommon4,114
Grimy cadantineGrimy cadantine1Uncommon3,227
Grimy lantadymeGrimy lantadyme1Rare5,740
Grimy dwarf weedGrimy dwarf weed1Rare6,316

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 rune1–167Common14–2,338
Earth runeEarth rune1–147Common10–1,470
Fire runeFire rune1–91Uncommon40–3,640
Nature runeNature rune1–8Uncommon235–1,880

OtherEdit

Item Quantity Rarity GE market price
Coins 25Coins2–36CommonNot sold
Swamp weedSwamp weed1–8Common372–2,976
Clue scroll (easy)Clue scroll (easy)1RareNot sold
Water battlestaffWater battlestaff1Rare8,567
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 sapphire1Common882
Uncut emeraldUncut emerald1Common1,492
Uncut rubyUncut ruby1Common2,440
Uncut diamondUncut diamond1Common3,930
Uncut diamondUncut diamond45–55 (noted)Rare176,850–216,150
Loop half of a keyLoop half of a key1Uncommon17,130
Tooth half of a keyTooth half of a key1Uncommon41,427
Uncut dragonstoneUncut dragonstone1Uncommon12,717
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare572,265–699,435
Dragon longswordDragon longsword1Common57,476
Dragon spearDragon spear1Uncommon36,306
BattlestaffBattlestaff180–220 (noted)Uncommon1,286,100–1,571,900
Rune javelinRune javelin5Rare875
Rune platebodyRune platebody1Uncommon38,032
Rune platebodyRune platebody15–25 (noted)Rare570,480–950,800
Shield left halfShield left half1Uncommon64,402
Dragon helmDragon helm1Uncommon58,917
Rune arrowheads 5Rune arrowheads113–137Common20,453–24,797
Onyx bolts 5Onyx bolts135–165Rare1,150,200–1,405,800
Vecna skullVecna skull1Uncommon47,299
Chaos talismanChaos talisman1Uncommon565
Nature talismanNature talisman1Uncommon199
Water talismanWater talisman65–82 (noted)Rare738,075–931,110
Earth talismanEarth talisman65–82 (noted)Rare182,715–230,502
Fire talismanFire talisman25–35 (noted)Rare65,225–91,315
Raw lobsterRaw lobster135–165 (noted)Uncommon28,890–35,310
Raw sharkRaw shark225–275 (noted)Uncommon256,950–314,050
Big bonesBig bones80–90 (noted)Uncommon32,000–36,000
Dragon bonesDragon bones180–220 (noted)Uncommon385,380–471,020
CoalCoal200–1,100 (noted)Uncommon59,400–326,700
Gold oreGold ore90–110 (noted)Common15,930–19,470
Adamantite oreAdamantite ore180–220 (noted)Uncommon219,420–268,180
Adamant barAdamant bar15 (noted)Common40,710
Adamant barAdamant bar135–165 (noted)Rare366,390–447,810
Runite oreRunite ore90–110 (noted)Rare979,650–1,197,350
Rune barRune bar3 (noted)Common42,888
Rune barRune bar45–55 (noted)Rare643,320–786,280
Grimy torstolGrimy torstol90–110 (noted)Uncommon469,350–573,650
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon323,550–395,450
Super restore (4)Super restore (4)45–55 (noted)Uncommon176,985–216,315
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon117,540–143,660
Herb seed 5Lantadyme seed14–16Uncommon171,752–196,288
Herb seed 5Dwarf weed seed14–16Uncommon220,962–252,528
Magic seed 5Magic seed4Uncommon603,944
Palm tree seed 5Palm tree seed10Rare1,834,490
FlaxFlax450–550 (noted)Common20,700–25,300
Molten glassMolten glass45–55 (noted)Common9,720–11,880
Soft claySoft clay450–550 (noted)Uncommon96,750–118,250
Yew logsYew logs68–82Uncommon18,972–22,878
Yew logsYew logs675–825 (noted)Rare188,325–230,175
Teak plankTeak plank45–55 (noted)Uncommon31,095–38,005
Mahogany plankMahogany plank270–330 (noted)Rare558,900–683,100
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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