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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 guam1Common221
Grimy marrentillGrimy marrentill1Common246
Grimy tarrominGrimy tarromin1Common29
Grimy harralanderGrimy harralander1Common100
Grimy ranarrGrimy ranarr1Uncommon3,740
Grimy iritGrimy irit1Uncommon3,212
Grimy avantoeGrimy avantoe1Uncommon2,091
Grimy kwuarmGrimy kwuarm1Uncommon5,172
Grimy cadantineGrimy cadantine1Rare4,253
Grimy lantadymeGrimy lantadyme1Rare4,131
Grimy dwarf weedGrimy dwarf weed1Rare2,708
Eye of newtEye of newt1Common7
Limpwurt rootLimpwurt root1Common2,429
Snape grassSnape grass1Common19
Red spiders' eggsRed spiders' eggs1Common1,885
Unicorn horn dustUnicorn horn dust1Common375
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common273
Swamp weedSwamp weed1–8Common396–3,168
Candle lantern (empty)Candle lantern (empty)1Uncommon195
CandleCandle1Rare450
Bronze gauntletsBronze gauntlets1Rare967
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%0.6–1.2%
Represents a 90% confidence range based on a sample of 2,178 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 guam1Common221
Grimy marrentillGrimy marrentill1Common246
Grimy tarrominGrimy tarromin1Common29
Grimy harralanderGrimy harralander1Common100
Grimy ranarrGrimy ranarr1Uncommon3,740
Grimy iritGrimy irit1Uncommon3,212
Grimy avantoeGrimy avantoe1Uncommon2,091
Grimy kwuarmGrimy kwuarm1Uncommon5,172
Grimy cadantineGrimy cadantine1Uncommon4,253
Grimy lantadymeGrimy lantadyme1Rare4,131
Grimy dwarf weedGrimy dwarf weed1Rare2,708
Water runeWater rune1–167Common25–4,175
Earth runeEarth rune1–147Common20–2,940
Fire runeFire rune1–91Uncommon107–9,737
Nature runeNature rune1–8Uncommon405–3,240
Rare drop tableRare drop table1RareNot sold
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common396–3,168
Water battlestaffWater battlestaff1Rare7,943
Bronze gauntletsBronze gauntlets1Unknown967
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 sapphire1Common1,026
Uncut emeraldUncut emerald1Common2,124
Uncut rubyUncut ruby1Common2,101
Uncut diamondUncut diamond1Common4,084
Uncut diamondUncut diamond45–55 (noted)Rare183,780–224,620
Loop half of a keyLoop half of a key1Common17,268
Tooth half of a keyTooth half of a key1Common22,064
Uncut dragonstoneUncut dragonstone1Uncommon12,709
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare571,905–698,995
Dragon longswordDragon longsword1Common55,769
Dragon spearDragon spear1Rare36,185
BattlestaffBattlestaff180–220 (noted)Rare1,168,020–1,427,580
Rune javelinRune javelin5Rare855
Rune platebodyRune platebody1Uncommon36,517
Rune platebodyRune platebody15–25 (noted)Rare547,755–912,925
Shield left halfShield left half1Rare64,976
Dragon helmDragon helm1Uncommon58,446
Rune arrowheads 5Rune arrowheads113–137Common25,312–30,688
Onyx bolts 5Onyx bolts135–165Very rare1,034,775–1,264,725
Chaos talismanChaos talisman1Rare2,395
Nature talismanNature talisman1Rare1,769
Water talismanWater talisman65–82 (noted)Rare444,340–560,552
Earth talismanEarth talisman65–82 (noted)Rare111,085–140,138
Fire talismanFire talisman25–35 (noted)Rare33,250–46,550
Raw lobsterRaw lobster135–165 (noted)Common21,195–25,905
Raw sharkRaw shark225–275 (noted)Uncommon269,325–329,175
Big bonesBig bones72–90 (noted)Uncommon28,080–35,100
Dragon bonesDragon bones180–220 (noted)Rare249,840–305,360
CoalCoal200–1,100 (noted)Uncommon27,800–152,900
Gold oreGold ore90–110 (noted)Common13,950–17,050
Adamantite oreAdamantite ore180–220 (noted)Uncommon227,340–277,860
Adamant barAdamant bar14–16 (noted)Common41,594–47,536
Adamant barAdamant bar135–165 (noted)Rare401,085–490,215
Runite oreRunite ore90–110 (noted)Rare947,160–1,157,640
Rune barRune bar(noted)Common40,827
Rune barRune bar45–55 (noted)Rare612,405–748,495
Grimy torstolGrimy torstol90–110 (noted)Uncommon430,560–526,240
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon336,690–411,510
Super restore (4)Super restore (4)45–55 (noted)Uncommon262,260–320,540
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon218,970–267,630
Lantadyme seed 5Lantadyme seed14–16Uncommon14,154–16,176
Dwarf weed seed 5Dwarf weed seed14–16Uncommon10,654–12,176
Magic seed 5Magic seed4Uncommon464,224
Palm tree seed 5Palm tree seed10Rare2,128,930
FlaxFlax450–550 (noted)Common7,200–8,800
Molten glassMolten glass45–55 (noted)Common12,555–15,345
Soft claySoft clay450–550 (noted)Uncommon238,950–292,050
Yew logsYew logs68–82Uncommon12,512–15,088
Yew logsYew logs675–825 (noted)Rare124,200–151,800
Teak plankTeak plank45–55 (noted)Uncommon40,590–49,610
Mahogany plankMahogany plank270–330 (noted)Rare559,170–683,430
Blurberry specialBlurberry special1Uncommon1,899
Vecna skullVecna skull1Very rare*175,503
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,804,467,420
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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