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'Rum'-pumped crab icon
Killing 'rum'-pumped crabs

By having the surgeons trapped in the other room, you can easily deal with the crabs.

'Rum'-pumped crabs are mutated crustaceans found in the 'Rum'geon on Braindeath Island. They have been injected by Captain Donnie's general malpractitioners in order to create an army. They are the only monsters that drop the brackish blade.

In order to access the dungeon, the quest A Clockwork Syringe needs to be partially completed and the player must have a fishbowl helmet and diving apparatus equipped, otherwise they will not be allowed to enter.

'Rum'-pumped crabs use only melee with a maximum hit of around 240. They will constantly be considered aggressive towards anyone within the 'Rum'geon. They will take increased damage from the brackish blade that they drop, as well as the brine sabre.

DropsEdit

CharmsEdit

No charmGold charmGreen charmCrimson charmBlue charm
89–91%2–3%1–2%2–3%4–5%
Represents a 90% confidence range based on a sample of 2,401 kills.
1 charm is dropped at a time.
Add data to the log (requires JavaScript).

Main dropEdit

Item Quantity Rarity GE price
Rune clawRune claw1Uncommon5,339
Brackish bladeBrackish blade1Rare125,504
Fishing potion (4)Fishing potion (4)(noted)Common1,690
Super attack (1)Super attack (1)1Common1,138
Super strength (1)Super strength (1)1Common2,389
Super defence (1)Super defence (1)1Uncommon2,004
Super ranging potion (2)Super ranging potion (2)1Rare7,860
Grimy guamGrimy guam1Common221
Grimy marrentillGrimy marrentill1Common246
Grimy tarrominGrimy tarromin1Common29
Grimy harralanderGrimy harralander1Common100
Grimy ranarrGrimy ranarr1Common3,740
Grimy iritGrimy irit1Common3,212
Grimy kwuarmGrimy kwuarm1Uncommon5,172
Grimy avantoeGrimy avantoe1Uncommon2,091
Grimy cadantineGrimy cadantine1Uncommon4,253
Grimy lantadymeGrimy lantadyme1Uncommon4,131
Grimy dwarf weedGrimy dwarf weed1Uncommon2,708
Potato seed 5Potato seed1–3Common11–33
Onion seed 5Onion seed1–3Common10–30
Cabbage seed 5Cabbage seed1–3Common3–9
Tomato seed 5Tomato seed1–3Common5–15
Strawberry seed 5Strawberry seed1–3Common57–171
Watermelon seed 5Watermelon seed1–3Uncommon836–2,508
Evil turnip seed 5Evil turnip seed1–4Uncommon67–268
Sweetcorn seed 5Sweetcorn seed1–3Uncommon19–57
Morchella mushroom spore 5Morchella mushroom spore2Uncommon400
Fellstalk seed 5Fellstalk seed1Rare386
Coins 1000Coins342–1,671Common342–1,671
LobsterLobster1Common88
Raw lobsterRaw lobster1–3Common157–471
Gold oreGold ore(noted)Common310
Fire talismanFire talisman1Rare1,330
Rare drop tableRare drop table1RareNot sold

TertiaryEdit

Item Quantity Rarity GE price
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

  • Before the Evolution of Combat when the special attack of the brine sabre and brackish blade was used on a 'Rum'-pumped crab the message "The Brine Sabre/Brackish Blade seems super-effective." appeared. This may have been a reference to Pokémon where a player would see "It's super effective!" when a Pokémon was hit by an attack that it was weak to.
  • Killing a 'rum'-pumped crab is required to complete the Alcrabholic task in the Daemonheim task set.
  • Despite requiring a Slayer level,'Rum'-pumped crabs are not a slayer assignment.
  • Despite being a crab, they used to drop bones. This was rectified on 1 July 2014.

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