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'Rum'-pumped crab

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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.

There is a safespot from General malpractitioners in the room east of the dungeon entrance. This will help save inventory spots for prayer potions normally taken up by food and antipoisons. It is easy to kill over 100 crabs on one inventory of prayer potions. If your goal is to attain the brackish blade via drop, fill inventory with 1 antipoison (in case you get poisoned by the malpractitioners on your way to safe spot), 3 tunas, swordfish, monkfish, or shark for emergency food, and 17-21 prayer potions (4).

Players may find it more profitable to bring along High Alchemy runes, as the Rune claws drops can more often than not be alched for more than they could be sold for on the Grand Exchange. Also, it is possible to gather upwards of 100K gold coins per trip just by picking up the regular coin drops as well as alchemising. Another way to increase your profit for each trip is to bring a gem bag, a reward from the dungeoneering skill and bought by tokens, to keep all gem drops without using inventory space.

Protect from Melee is advised, as multiple crabs will attack the player. On occasion, nearby level 84 general malpractitioners may throw a syringe at a crab and temporarily increase its attack speed, up to a maximum of 8. The malpractitioners will also attack the player with poisonous ranged attacks, so Antipoison potions or an Anti-poison totem will come in handy. Additionally, these monsters are weak to stab attacks.

'Rum'-pumped crabs also have a high blue charm drop rate, for those who would like to effectively collect them whilst gaining considerable combat experience (about 150K+ per trip with optimal gear, stats, and inventory. This is excluding Constitution experience).

Another strategy is to bring a good melee defensive set such as Barrows equipment and lure the general malpractitioners out of one of the rooms and close the door after them, this way you will avoid being ranged by the malpractitioners and can either choose to pray melee to avoid receiving damage from the 'rum'-pumped crabs or you can choose to use the Ancient Curse, Soul Split, whenever you get low on life points. It is noteworthy that the crabs drops several cooked lobsters which can also be used for healing up the life points lost. With this method a trip would last until you run out of prayer potions.

HabitatEdit

DropsEdit

CharmsEdit

Charm drop numbers
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.
Please add to the log.
(Only if 50 or more creatures are killed)

Weapons and armourEdit

Item Quantity Rarity GE market price
Rune clawRune claw1Uncommon6,383
Brackish bladeBrackish blade1Rare143,924

PotionsEdit

Item Quantity Rarity GE market price
Fishing potion (4)Fishing potion (4)2 (noted)Common112
Super attack (1)Super attack (1)1Common342
Super strength (1)Super strength (1)1Common1,272
Super defence (1)Super defence (1)1Uncommon536
Super ranging potion (2)Super ranging potion (2)1Rare5,896

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common437
Grimy marrentillGrimy marrentill1Common162
Grimy tarrominGrimy tarromin1Common25
Grimy harralanderGrimy harralander1Common102
Grimy ranarrGrimy ranarr1Common2,567
Grimy iritGrimy irit1Common2,087
Grimy kwuarmGrimy kwuarm1Uncommon4,230
Grimy avantoeGrimy avantoe1Uncommon4,053
Grimy cadantineGrimy cadantine1Uncommon3,091
Grimy lantadymeGrimy lantadyme1Uncommon6,060
Grimy dwarf weedGrimy dwarf weed1Uncommon6,425

SeedsEdit

Item Quantity Rarity GE market price
Potato seed 5Potato seed1–3Common6–18
Onion seed 5Onion seed1–3Common2–6
Cabbage seed 5Cabbage seed1–3Common10–30
Tomato seed 5Tomato seed1–3Common2–6
Strawberry seed 5Strawberry seed1–3Common459–1,377
Watermelon seed 5Watermelon seed1–3Uncommon2,206–6,618
Evil turnip seed 5Evil turnip seed1–4Uncommon95–380
Sweetcorn seed 5Sweetcorn seed1–3Uncommon10–30
Morchella mushroom spore 5Morchella mushroom spore2Uncommon292

OtherEdit

Item Quantity Rarity GE market price
Coins 1000Coins342–1,671CommonNot sold
LobsterLobster1Common223
Raw lobsterRaw lobster1–3Common217–651
Gold oreGold ore2 (noted)Common372
Fire talismanFire talisman1Rare2,677
Spirit sapphireSpirit sapphire1RareNot sold
Spirit emeraldSpirit emerald1RareNot sold
Spirit rubySpirit ruby1RareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold

Rare drop table dropsEdit

This monster has access to the rare drop table.
The ring of wealth is not required to access the table.
Show/hide rare drop table
Item Quantity Rarity GE market price
Coins 1000Coins250–500; 3,000CommonNot sold
Uncut sapphireUncut sapphire1Common870
Uncut emeraldUncut emerald1Common1,539
Uncut rubyUncut ruby1Common2,503
Uncut diamondUncut diamond1Common4,055
Uncut diamondUncut diamond45–55 (noted)Rare182,475–223,025
Loop half of a keyLoop half of a key1Uncommon17,424
Tooth half of a keyTooth half of a key1Uncommon40,936
Uncut dragonstoneUncut dragonstone1Uncommon12,609
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare567,405–693,495
Dragon longswordDragon longsword1Common57,729
Dragon spearDragon spear1Uncommon35,837
BattlestaffBattlestaff180–220 (noted)Uncommon1,314,360–1,606,440
Rune javelinRune javelin5Rare875
Rune platebodyRune platebody1Uncommon38,154
Rune platebodyRune platebody15–25 (noted)Rare572,310–953,850
Shield left halfShield left half1Uncommon64,374
Dragon helmDragon helm1Uncommon59,044
Rune arrowheads 5Rune arrowheads113–137Common22,261–26,989
Onyx bolts 5Onyx bolts135–165Rare1,148,040–1,403,160
Vecna skullVecna skull1Uncommon47,299
Chaos talismanChaos talisman1Uncommon559
Nature talismanNature talisman1Uncommon210
Water talismanWater talisman65–82 (noted)Rare739,245–932,586
Earth talismanEarth talisman65–82 (noted)Rare180,440–227,632
Fire talismanFire talisman25–35 (noted)Rare66,925–93,695
Raw lobsterRaw lobster135–165 (noted)Uncommon29,295–35,805
Raw sharkRaw shark225–275 (noted)Uncommon268,200–327,800
Big bonesBig bones80–90 (noted)Uncommon31,840–35,820
Dragon bonesDragon bones180–220 (noted)Uncommon425,880–520,520
CoalCoal200–1,100 (noted)Uncommon61,800–339,900
Gold oreGold ore90–110 (noted)Common16,740–20,460
Adamantite oreAdamantite ore180–220 (noted)Uncommon220,320–269,280
Adamant barAdamant bar15 (noted)Common41,715
Adamant barAdamant bar135–165 (noted)Rare375,435–458,865
Runite oreRunite ore90–110 (noted)Rare996,390–1,217,810
Rune barRune bar3 (noted)Common42,990
Rune barRune bar45–55 (noted)Rare644,850–788,150
Grimy torstolGrimy torstol90–110 (noted)Uncommon479,610–586,190
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon351,720–429,880
Super restore (4)Super restore (4)45–55 (noted)Uncommon186,120–227,480
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon123,930–151,470
Herb seed 5Lantadyme seed14–16Uncommon177,576–202,944
Herb seed 5Dwarf weed seed14–16Uncommon243,404–278,176
Magic seed 5Magic seed4Uncommon616,864
Palm tree seed 5Palm tree seed10Rare1,819,590
FlaxFlax450–550 (noted)Common19,800–24,200
Molten glassMolten glass45–55 (noted)Common9,540–11,660
Soft claySoft clay450–550 (noted)Uncommon99,000–121,000
Yew logsYew logs68–82Uncommon18,972–22,878
Yew logsYew logs675–825 (noted)Rare188,325–230,175
Teak plankTeak plank45–55 (noted)Uncommon31,455–38,445
Mahogany plankMahogany plank270–330 (noted)Rare560,790–685,410
Brawling gloves (Melee)Brawling gloves (Melee)1RareNot sold
Brawling gloves (Magic)Brawling gloves (Magic)1RareNot sold
Brawling gloves (Ranged)Brawling gloves (Ranged)1RareNot sold
Brawling gloves (Agility)Brawling gloves (Agility)1RareNot sold
Brawling gloves (Cooking)Brawling gloves (Cooking)1RareNot sold
Brawling gloves (FM)Brawling gloves (FM)1RareNot sold
Brawling gloves (Fishing)Brawling gloves (Fishing)1RareNot sold
Brawling gloves (Hunter)Brawling gloves (Hunter)1RareNot sold
Brawling gloves (Mining)Brawling gloves (Mining)1RareNot sold
Brawling gloves (Prayer)Brawling gloves (Prayer)1RareNot sold
Brawling gloves (Smithing)Brawling gloves (Smithing)1RareNot sold
Brawling gloves (Thieving)Brawling gloves (Thieving)1RareNot sold
Brawling gloves (WC)Brawling gloves (WC)1RareNot 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 market 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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