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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 claw1Uncommon5,563
Brackish bladeBrackish blade1Rare115,372
Fishing potion (4)Fishing potion (4)(noted)Common1,838
Super attack (1)Super attack (1)1Common1,124
Super strength (1)Super strength (1)1Common2,598
Super defence (1)Super defence (1)1Uncommon2,006
Super ranging potion (2)Super ranging potion (2)1Rare7,605
Grimy guamGrimy guam1Common280
Grimy marrentillGrimy marrentill1Common412
Grimy tarrominGrimy tarromin1Common27
Grimy harralanderGrimy harralander1Common85
Grimy ranarrGrimy ranarr1Common3,198
Grimy iritGrimy irit1Common3,733
Grimy kwuarmGrimy kwuarm1Uncommon5,691
Grimy avantoeGrimy avantoe1Uncommon1,802
Grimy cadantineGrimy cadantine1Uncommon3,500
Grimy lantadymeGrimy lantadyme1Uncommon3,536
Grimy dwarf weedGrimy dwarf weed1Uncommon2,750
Potato seed 5Potato seed1–3Common10–30
Onion seed 5Onion seed1–3Common7–21
Cabbage seed 5Cabbage seed1–3Common11–33
Tomato seed 5Tomato seed1–3Common1–3
Strawberry seed 5Strawberry seed1–3Common51–153
Watermelon seed 5Watermelon seed1–3Uncommon928–2,784
Evil turnip seed 5Evil turnip seed1–4Uncommon22–88
Sweetcorn seed 5Sweetcorn seed1–3Uncommon14–42
Morchella mushroom spore 5Morchella mushroom spore2Uncommon414
Fellstalk seed 5Fellstalk seed1Rare415
Coins 1000Coins342–1,671Common342–1,671
LobsterLobster1Common89
Raw lobsterRaw lobster1–3Common206–618
Gold oreGold ore(noted)Common344
Fire talismanFire talisman1Rare1,428
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 sapphire1Common1,021
Uncut emeraldUncut emerald1Common2,307
Uncut rubyUncut ruby1Common2,239
Uncut diamondUncut diamond1Common4,098
Uncut diamondUncut diamond45–55 (noted)Rare184,410–225,390
Loop half of a keyLoop half of a key1Common18,843
Tooth half of a keyTooth half of a key1Common22,420
Uncut dragonstoneUncut dragonstone1Uncommon13,017
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare585,765–715,935
Dragon longswordDragon longsword1Common57,425
Dragon spearDragon spear1Rare36,530
BattlestaffBattlestaff180–220 (noted)Rare1,042,920–1,274,680
Rune javelinRune javelin5Rare875
Rune platebodyRune platebody1Uncommon37,601
Rune platebodyRune platebody15–25 (noted)Rare564,015–940,025
Shield left halfShield left half1Rare64,159
Dragon helmDragon helm1Uncommon58,700
Rune arrowheads 5Rune arrowheads113–137Common24,408–29,592
Onyx bolts 5Onyx bolts135–165Very rare1,075,140–1,314,060
Chaos talismanChaos talisman1Rare1,373
Nature talismanNature talisman1Rare1,148
Water talismanWater talisman65–82 (noted)Rare443,690–559,732
Earth talismanEarth talisman65–82 (noted)Rare109,460–138,088
Fire talismanFire talisman25–35 (noted)Rare35,700–49,980
Raw lobsterRaw lobster135–165 (noted)Common27,810–33,990
Raw sharkRaw shark225–275 (noted)Uncommon341,325–417,175
Big bonesBig bones72–90 (noted)Uncommon17,496–21,870
Dragon bonesDragon bones180–220 (noted)Rare333,540–407,660
CoalCoal200–1,100 (noted)Uncommon28,400–156,200
Gold oreGold ore90–110 (noted)Common15,480–18,920
Adamantite oreAdamantite ore180–220 (noted)Uncommon219,600–268,400
Adamant barAdamant bar14–16 (noted)Common43,694–49,936
Adamant barAdamant bar135–165 (noted)Rare421,335–514,965
Runite oreRunite ore90–110 (noted)Rare1,031,130–1,260,270
Rune barRune bar(noted)Common41,514
Rune barRune bar45–55 (noted)Rare622,710–761,090
Grimy torstolGrimy torstol90–110 (noted)Uncommon398,250–486,750
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon236,340–288,860
Super restore (4)Super restore (4)45–55 (noted)Uncommon238,365–291,335
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon181,440–221,760
Lantadyme seed 5Lantadyme seed14–16Uncommon8,246–9,424
Dwarf weed seed 5Dwarf weed seed14–16Uncommon7,812–8,928
Magic seed 5Magic seed4Uncommon412,668
Palm tree seed 5Palm tree seed10Rare1,688,360
FlaxFlax450–550 (noted)Common23,400–28,600
Molten glassMolten glass45–55 (noted)Common14,625–17,875
Soft claySoft clay450–550 (noted)Uncommon234,000–286,000
Yew logsYew logs68–82Uncommon13,464–16,236
Yew logsYew logs675–825 (noted)Rare133,650–163,350
Teak plankTeak plank45–55 (noted)Uncommon41,040–50,160
Mahogany plankMahogany plank270–330 (noted)Rare507,600–620,400
Blurberry specialBlurberry special1Uncommon2,088
Vecna skullVecna skull1Very rare*246,866
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,885,212,297
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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