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'Rum'-pumped crab

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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 claw1Uncommon13,618
Brackish bladeBrackish blade1Rare149,863
Fishing potion (4)Fishing potion (4)(noted)Common1,612
Super attack (1)Super attack (1)1Common924
Super strength (1)Super strength (1)1Common2,258
Super defence (1)Super defence (1)1Uncommon1,817
Super ranging potion (2)Super ranging potion (2)1Rare7,075
Grimy guamGrimy guam1Common193
Grimy marrentillGrimy marrentill1Common198
Grimy tarrominGrimy tarromin1Common37
Grimy harralanderGrimy harralander1Common82
Grimy ranarrGrimy ranarr1Common3,290
Grimy iritGrimy irit1Common3,280
Grimy kwuarmGrimy kwuarm1Uncommon5,482
Grimy avantoeGrimy avantoe1Uncommon2,321
Grimy cadantineGrimy cadantine1Uncommon4,950
Grimy lantadymeGrimy lantadyme1Uncommon3,486
Grimy dwarf weedGrimy dwarf weed1Uncommon2,649
Potato seed 5Potato seed1–3Common15–45
Onion seed 5Onion seed1–3Common10–30
Cabbage seed 5Cabbage seed1–3Common9–27
Tomato seed 5Tomato seed1–3Common5–15
Strawberry seed 5Strawberry seed1–3Common91–273
Watermelon seed 5Watermelon seed1–3Uncommon743–2,229
Evil turnip seed 5Evil turnip seed1–4Uncommon46–184
Sweetcorn seed 5Sweetcorn seed1–3Uncommon18–54
Morchella mushroom spore 5Morchella mushroom spore2Uncommon396
Fellstalk seed 5Fellstalk seed1Rare809
Coins 1000Coins342–1,671Common342–1,671
LobsterLobster1Common82
Raw lobsterRaw lobster1–3Common109–327
Gold oreGold ore(noted)Common294
Fire talismanFire talisman1Rare1,456
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 sapphire1Common949
Uncut emeraldUncut emerald1Common2,066
Uncut rubyUncut ruby1Common2,664
Uncut diamondUncut diamond1Common3,957
Uncut diamondUncut diamond45–55 (noted)Rare178,065–217,635
Loop half of a keyLoop half of a key1Common20,453
Tooth half of a keyTooth half of a key1Common24,058
Uncut dragonstoneUncut dragonstone1Uncommon11,470
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare516,150–630,850
Dragon longswordDragon longsword1Common55,883
Dragon spearDragon spear1Rare38,561
BattlestaffBattlestaff180–220 (noted)Rare1,225,980–1,498,420
Rune javelinRune javelin5Rare895
Rune platebodyRune platebody1Uncommon37,007
Rune platebodyRune platebody15–25 (noted)Rare555,105–925,175
Shield left halfShield left half1Rare65,245
Dragon helmDragon helm1Uncommon58,270
Rune arrowheads 5Rune arrowheads113–137Common21,131–25,619
Onyx bolts 5Onyx bolts135–165Very rare1,048,005–1,280,895
Chaos talismanChaos talisman1Rare1,724
Nature talismanNature talisman1Rare1,025
Water talismanWater talisman65–82 (noted)Rare351,845–443,866
Earth talismanEarth talisman65–82 (noted)Rare114,920–144,976
Fire talismanFire talisman25–35 (noted)Rare36,400–50,960
Raw lobsterRaw lobster135–165 (noted)Common14,715–17,985
Raw sharkRaw shark225–275 (noted)Uncommon234,225–286,275
Big bonesBig bones72–90 (noted)Uncommon26,352–32,940
Dragon bonesDragon bones180–220 (noted)Rare299,340–365,860
CoalCoal200–1,100 (noted)Uncommon35,200–193,600
Gold oreGold ore90–110 (noted)Common13,230–16,170
Adamantite oreAdamantite ore180–220 (noted)Uncommon227,160–277,640
Adamant barAdamant bar14–16 (noted)Common39,116–44,704
Adamant barAdamant bar135–165 (noted)Rare377,190–461,010
Runite oreRunite ore90–110 (noted)Rare982,710–1,201,090
Rune barRune bar(noted)Common41,706
Rune barRune bar45–55 (noted)Rare625,590–764,610
Grimy torstolGrimy torstol90–110 (noted)Uncommon373,140–456,060
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon293,130–358,270
Super restore (4)Super restore (4)45–55 (noted)Uncommon253,350–309,650
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon221,175–270,325
Lantadyme seed 5Lantadyme seed14–16Uncommon30,744–35,136
Dwarf weed seed 5Dwarf weed seed14–16Uncommon26,754–30,576
Magic seed 5Magic seed4Uncommon401,724
Palm tree seed 5Palm tree seed10Rare1,837,720
FlaxFlax450–550 (noted)Common5,400–6,600
Molten glassMolten glass45–55 (noted)Common16,470–20,130
Soft claySoft clay450–550 (noted)Uncommon179,550–219,450
Yew logsYew logs68–82Uncommon14,076–16,974
Yew logsYew logs675–825 (noted)Rare139,725–170,775
Teak plankTeak plank45–55 (noted)Uncommon35,955–43,945
Mahogany plankMahogany plank270–330 (noted)Rare595,080–727,320
Blurberry specialBlurberry special1Uncommon1,708
Vecna skullVecna skull1Very rare*64,516
Hazelmere's signet ringHazelmere's signet ring1Very rare*15,077,415
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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