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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 claw1Uncommon3,711
Brackish bladeBrackish blade1Rare121,055
Fishing potion (4)Fishing potion (4)(noted)Common1,924
Super attack (1)Super attack (1)1Common1,016
Super strength (1)Super strength (1)1Common2,204
Super defence (1)Super defence (1)1Uncommon1,739
Super ranging potion (2)Super ranging potion (2)1Rare7,141
Grimy guamGrimy guam1Common358
Grimy marrentillGrimy marrentill1Common286
Grimy tarrominGrimy tarromin1Common28
Grimy harralanderGrimy harralander1Common100
Grimy ranarrGrimy ranarr1Common3,207
Grimy iritGrimy irit1Common3,326
Grimy kwuarmGrimy kwuarm1Uncommon5,060
Grimy avantoeGrimy avantoe1Uncommon1,673
Grimy cadantineGrimy cadantine1Uncommon3,240
Grimy lantadymeGrimy lantadyme1Uncommon3,004
Grimy dwarf weedGrimy dwarf weed1Uncommon2,235
Potato seed 5Potato seed1–3Common9–27
Onion seed 5Onion seed1–3Common10–30
Cabbage seed 5Cabbage seed1–3Common7–21
Tomato seed 5Tomato seed1–3Common5–15
Strawberry seed 5Strawberry seed1–3Common44–132
Watermelon seed 5Watermelon seed1–3Uncommon830–2,490
Evil turnip seed 5Evil turnip seed1–4Uncommon39–156
Sweetcorn seed 5Sweetcorn seed1–3Uncommon16–48
Morchella mushroom spore 5Morchella mushroom spore2Uncommon434
Fellstalk seed 5Fellstalk seed1Rare475
Coins 1000Coins342–1,671Common342–1,671
LobsterLobster1Common90
Raw lobsterRaw lobster1–3Common174–522
Gold oreGold ore(noted)Common382
Fire talismanFire talisman1Rare1,156
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 sapphire1Common1,028
Uncut emeraldUncut emerald1Common2,117
Uncut rubyUncut ruby1Common2,116
Uncut diamondUncut diamond1Common3,870
Uncut diamondUncut diamond45–55 (noted)Rare174,150–212,850
Loop half of a keyLoop half of a key1Common18,117
Tooth half of a keyTooth half of a key1Common21,873
Uncut dragonstoneUncut dragonstone1Uncommon11,240
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare505,800–618,200
Dragon longswordDragon longsword1Common56,581
Dragon spearDragon spear1Rare36,759
BattlestaffBattlestaff180–220 (noted)Rare1,118,700–1,367,300
Rune javelinRune javelin5Rare895
Rune platebodyRune platebody1Uncommon37,712
Rune platebodyRune platebody15–25 (noted)Rare565,680–942,800
Shield left halfShield left half1Rare64,488
Dragon helmDragon helm1Uncommon58,925
Rune arrowheads 5Rune arrowheads113–137Common29,719–36,031
Onyx bolts 5Onyx bolts135–165Very rare1,044,765–1,276,935
Chaos talismanChaos talisman1Rare1,605
Nature talismanNature talisman1Rare1,268
Water talismanWater talisman65–82 (noted)Rare333,515–420,742
Earth talismanEarth talisman65–82 (noted)Rare94,380–119,064
Fire talismanFire talisman25–35 (noted)Rare28,900–40,460
Raw lobsterRaw lobster135–165 (noted)Common23,490–28,710
Raw sharkRaw shark225–275 (noted)Uncommon273,375–334,125
Big bonesBig bones72–90 (noted)Uncommon16,416–20,520
Dragon bonesDragon bones180–220 (noted)Rare282,060–344,740
CoalCoal200–1,100 (noted)Uncommon26,000–143,000
Gold oreGold ore90–110 (noted)Common17,190–21,010
Adamantite oreAdamantite ore180–220 (noted)Uncommon247,500–302,500
Adamant barAdamant bar14–16 (noted)Common41,230–47,120
Adamant barAdamant bar135–165 (noted)Rare397,575–485,925
Runite oreRunite ore90–110 (noted)Rare1,082,700–1,323,300
Rune barRune bar(noted)Common41,853
Rune barRune bar45–55 (noted)Rare627,795–767,305
Grimy torstolGrimy torstol90–110 (noted)Uncommon355,410–434,390
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon252,900–309,100
Super restore (4)Super restore (4)45–55 (noted)Uncommon256,860–313,940
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon179,775–219,725
Lantadyme seed 5Lantadyme seed14–16Uncommon9,044–10,336
Dwarf weed seed 5Dwarf weed seed14–16Uncommon8,792–10,048
Magic seed 5Magic seed4Uncommon398,244
Palm tree seed 5Palm tree seed10Rare1,789,660
FlaxFlax450–550 (noted)Common13,500–16,500
Molten glassMolten glass45–55 (noted)Common12,870–15,730
Soft claySoft clay450–550 (noted)Uncommon233,100–284,900
Yew logsYew logs68–82Uncommon13,600–16,400
Yew logsYew logs675–825 (noted)Rare135,000–165,000
Teak plankTeak plank45–55 (noted)Uncommon34,335–41,965
Mahogany plankMahogany plank270–330 (noted)Rare407,160–497,640
Blurberry specialBlurberry special1Uncommon1,991
Vecna skullVecna skull1Very rare*185,069
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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