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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 claw1Uncommon5,340
Brackish bladeBrackish blade1Rare115,372
Fishing potion (4)Fishing potion (4)(noted)Common1,838
Super attack (1)Super attack (1)1Common1,121
Super strength (1)Super strength (1)1Common2,600
Super defence (1)Super defence (1)1Uncommon2,014
Super ranging potion (2)Super ranging potion (2)1Rare7,799
Grimy guamGrimy guam1Common252
Grimy marrentillGrimy marrentill1Common392
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common85
Grimy ranarrGrimy ranarr1Common3,171
Grimy iritGrimy irit1Common3,783
Grimy kwuarmGrimy kwuarm1Uncommon5,481
Grimy avantoeGrimy avantoe1Uncommon1,955
Grimy cadantineGrimy cadantine1Uncommon3,505
Grimy lantadymeGrimy lantadyme1Uncommon3,475
Grimy dwarf weedGrimy dwarf weed1Uncommon2,729
Potato seed 5Potato seed1–3Common10–30
Onion seed 5Onion seed1–3Common5–15
Cabbage seed 5Cabbage seed1–3Common10–30
Tomato seed 5Tomato seed1–3Common1–3
Strawberry seed 5Strawberry seed1–3Common50–150
Watermelon seed 5Watermelon seed1–3Uncommon892–2,676
Evil turnip seed 5Evil turnip seed1–4Uncommon24–96
Sweetcorn seed 5Sweetcorn seed1–3Uncommon14–42
Morchella mushroom spore 5Morchella mushroom spore2Uncommon432
Fellstalk seed 5Fellstalk seed1Rare381
Coins 1000Coins342–1,671Common342–1,671
LobsterLobster1Common88
Raw lobsterRaw lobster1–3Common214–642
Gold oreGold ore(noted)Common340
Fire talismanFire talisman1Rare1,532
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 sapphire1Common1,000
Uncut emeraldUncut emerald1Common2,368
Uncut rubyUncut ruby1Common2,251
Uncut diamondUncut diamond1Common4,140
Uncut diamondUncut diamond45–55 (noted)Rare186,300–227,700
Loop half of a keyLoop half of a key1Common18,815
Tooth half of a keyTooth half of a key1Common22,748
Uncut dragonstoneUncut dragonstone1Uncommon12,988
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare584,460–714,340
Dragon longswordDragon longsword1Common57,308
Dragon spearDragon spear1Rare36,562
BattlestaffBattlestaff180–220 (noted)Rare1,082,520–1,323,080
Rune javelinRune javelin5Rare890
Rune platebodyRune platebody1Uncommon37,609
Rune platebodyRune platebody15–25 (noted)Rare564,135–940,225
Shield left halfShield left half1Rare64,303
Dragon helmDragon helm1Uncommon58,951
Rune arrowheads 5Rune arrowheads113–137Common24,747–30,003
Onyx bolts 5Onyx bolts135–165Very rare1,070,415–1,308,285
Chaos talismanChaos talisman1Rare1,453
Nature talismanNature talisman1Rare1,226
Water talismanWater talisman65–82 (noted)Rare433,810–547,268
Earth talismanEarth talisman65–82 (noted)Rare108,810–137,268
Fire talismanFire talisman25–35 (noted)Rare38,300–53,620
Raw lobsterRaw lobster135–165 (noted)Common28,890–35,310
Raw sharkRaw shark225–275 (noted)Uncommon333,675–407,825
Big bonesBig bones72–90 (noted)Uncommon16,920–21,150
Dragon bonesDragon bones180–220 (noted)Rare335,700–410,300
CoalCoal200–1,100 (noted)Uncommon28,400–156,200
Gold oreGold ore90–110 (noted)Common15,300–18,700
Adamantite oreAdamantite ore180–220 (noted)Uncommon228,060–278,740
Adamant barAdamant bar14–16 (noted)Common44,170–50,480
Adamant barAdamant bar135–165 (noted)Rare425,925–520,575
Runite oreRunite ore90–110 (noted)Rare1,033,470–1,263,130
Rune barRune bar(noted)Common41,499
Rune barRune bar45–55 (noted)Rare622,485–760,815
Grimy torstolGrimy torstol90–110 (noted)Uncommon402,480–491,920
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon245,160–299,640
Super restore (4)Super restore (4)45–55 (noted)Uncommon243,000–297,000
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon184,410–225,390
Lantadyme seed 5Lantadyme seed14–16Uncommon7,896–9,024
Dwarf weed seed 5Dwarf weed seed14–16Uncommon7,560–8,640
Magic seed 5Magic seed4Uncommon428,020
Palm tree seed 5Palm tree seed10Rare1,734,020
FlaxFlax450–550 (noted)Common22,050–26,950
Molten glassMolten glass45–55 (noted)Common13,995–17,105
Soft claySoft clay450–550 (noted)Uncommon247,500–302,500
Yew logsYew logs68–82Uncommon13,328–16,072
Yew logsYew logs675–825 (noted)Rare132,300–161,700
Teak plankTeak plank45–55 (noted)Uncommon42,255–51,645
Mahogany plankMahogany plank270–330 (noted)Rare502,740–614,460
Blurberry specialBlurberry special1Uncommon2,088
Vecna skullVecna skull1Very rare*241,446
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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