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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 claw1Uncommon12,258
Brackish bladeBrackish blade1Rare148,231
Fishing potion (4)Fishing potion (4)(noted)Common1,622
Super attack (1)Super attack (1)1Common1,010
Super strength (1)Super strength (1)1Common2,320
Super defence (1)Super defence (1)1Uncommon1,714
Super ranging potion (2)Super ranging potion (2)1Rare8,056
Grimy guamGrimy guam1Common115
Grimy marrentillGrimy marrentill1Common169
Grimy tarrominGrimy tarromin1Common31
Grimy harralanderGrimy harralander1Common78
Grimy ranarrGrimy ranarr1Common2,998
Grimy iritGrimy irit1Common3,184
Grimy kwuarmGrimy kwuarm1Uncommon5,194
Grimy avantoeGrimy avantoe1Uncommon2,286
Grimy cadantineGrimy cadantine1Uncommon4,918
Grimy lantadymeGrimy lantadyme1Uncommon4,117
Grimy dwarf weedGrimy dwarf weed1Uncommon2,679
Potato seed 5Potato seed1–3Common12–36
Onion seed 5Onion seed1–3Common7–21
Cabbage seed 5Cabbage seed1–3Common9–27
Tomato seed 5Tomato seed1–3Common5–15
Strawberry seed 5Strawberry seed1–3Common143–429
Watermelon seed 5Watermelon seed1–3Uncommon764–2,292
Evil turnip seed 5Evil turnip seed1–4Uncommon71–284
Sweetcorn seed 5Sweetcorn seed1–3Uncommon20–60
Morchella mushroom spore 5Morchella mushroom spore2Uncommon370
Fellstalk seed 5Fellstalk seed1Rare390
Coins 1000Coins342–1,671Common342–1,671
LobsterLobster1Common79
Raw lobsterRaw lobster1–3Common138–414
Gold oreGold ore(noted)Common292
Fire talismanFire talisman1Rare1,480
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 sapphire1Common915
Uncut emeraldUncut emerald1Common1,949
Uncut rubyUncut ruby1Common2,366
Uncut diamondUncut diamond1Common3,961
Uncut diamondUncut diamond45–55 (noted)Rare178,245–217,855
Loop half of a keyLoop half of a key1Common20,189
Tooth half of a keyTooth half of a key1Common23,060
Uncut dragonstoneUncut dragonstone1Uncommon11,118
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare500,310–611,490
Dragon longswordDragon longsword1Common55,877
Dragon spearDragon spear1Rare35,900
BattlestaffBattlestaff180–220 (noted)Rare1,216,980–1,487,420
Rune javelinRune javelin5Rare925
Rune platebodyRune platebody1Uncommon37,187
Rune platebodyRune platebody15–25 (noted)Rare557,805–929,675
Shield left halfShield left half1Rare64,251
Dragon helmDragon helm1Uncommon58,148
Rune arrowheads 5Rune arrowheads113–137Common21,470–26,030
Onyx bolts 5Onyx bolts135–165Very rare1,046,385–1,278,915
Chaos talismanChaos talisman1Rare1,316
Nature talismanNature talisman1Rare906
Water talismanWater talisman65–82 (noted)Rare377,390–476,092
Earth talismanEarth talisman65–82 (noted)Rare143,325–180,810
Fire talismanFire talisman25–35 (noted)Rare37,000–51,800
Raw lobsterRaw lobster135–165 (noted)Common18,630–22,770
Raw sharkRaw shark225–275 (noted)Uncommon261,450–319,550
Big bonesBig bones72–90 (noted)Uncommon27,432–34,290
Dragon bonesDragon bones180–220 (noted)Rare304,740–372,460
CoalCoal200–1,100 (noted)Uncommon34,800–191,400
Gold oreGold ore90–110 (noted)Common13,140–16,060
Adamantite oreAdamantite ore180–220 (noted)Uncommon204,660–250,140
Adamant barAdamant bar14–16 (noted)Common42,672–48,768
Adamant barAdamant bar135–165 (noted)Rare411,480–502,920
Runite oreRunite ore90–110 (noted)Rare955,350–1,167,650
Rune barRune bar(noted)Common41,190
Rune barRune bar45–55 (noted)Rare617,850–755,150
Grimy torstolGrimy torstol90–110 (noted)Uncommon384,030–469,370
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon298,890–365,310
Super restore (4)Super restore (4)45–55 (noted)Uncommon255,600–312,400
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon218,475–267,025
Lantadyme seed 5Lantadyme seed14–16Uncommon20,622–23,568
Dwarf weed seed 5Dwarf weed seed14–16Uncommon16,198–18,512
Magic seed 5Magic seed4Uncommon524,644
Palm tree seed 5Palm tree seed10Rare2,197,760
FlaxFlax450–550 (noted)Common5,850–7,150
Molten glassMolten glass45–55 (noted)Common14,175–17,325
Soft claySoft clay450–550 (noted)Uncommon150,300–183,700
Yew logsYew logs68–82Uncommon13,464–16,236
Yew logsYew logs675–825 (noted)Rare133,650–163,350
Teak plankTeak plank45–55 (noted)Uncommon40,230–49,170
Mahogany plankMahogany plank270–330 (noted)Rare568,080–694,320
Blurberry specialBlurberry special1Uncommon1,792
Vecna skullVecna skull1Very rare*348,450
Hazelmere's signet ringHazelmere's signet ring1Very rare*18,309,594
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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