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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.
Add data to the log
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Weapons and armourEdit

Item Quantity Rarity GE market price
Rune clawRune claw1Uncommon6,190
Brackish bladeBrackish blade1Rare179,671

PotionsEdit

Item Quantity Rarity GE market price
Fishing potion (4)Fishing potion (4)2 (noted)Common162
Super attack (1)Super attack (1)1Common323
Super strength (1)Super strength (1)1Common1,553
Super defence (1)Super defence (1)1Uncommon950
Super ranging potion (2)Super ranging potion (2)1Rare6,079

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common235
Grimy marrentillGrimy marrentill1Common154
Grimy tarrominGrimy tarromin1Common38
Grimy harralanderGrimy harralander1Common83
Grimy ranarrGrimy ranarr1Common2,314
Grimy iritGrimy irit1Common1,957
Grimy kwuarmGrimy kwuarm1Uncommon5,395
Grimy avantoeGrimy avantoe1Uncommon4,637
Grimy cadantineGrimy cadantine1Uncommon3,512
Grimy lantadymeGrimy lantadyme1Uncommon5,892
Grimy dwarf weedGrimy dwarf weed1Uncommon6,249

SeedsEdit

Item Quantity Rarity GE market price
Potato seed 5Potato seed1–3Common9–27
Onion seed 5Onion seed1–3Common2–6
Cabbage seed 5Cabbage seed1–3Common10–30
Tomato seed 5Tomato seed1–3Common2–6
Strawberry seed 5Strawberry seed1–3Common302–906
Watermelon seed 5Watermelon seed1–3Uncommon1,340–4,020
Evil turnip seed 5Evil turnip seed1–4Uncommon54–216
Sweetcorn seed 5Sweetcorn seed1–3Uncommon6–18
Morchella mushroom spore 5Morchella mushroom spore2Uncommon340

OtherEdit

Item Quantity Rarity GE market price
Coins 1000Coins342–1,671CommonNot sold
LobsterLobster1Common215
Raw lobsterRaw lobster1–3Common201–603
Gold oreGold ore2 (noted)Common350
Fire talismanFire talisman1Rare2,825
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 sapphire1Common696
Uncut emeraldUncut emerald1Common1,443
Uncut rubyUncut ruby1Common2,472
Uncut diamondUncut diamond1Common4,050
Uncut diamondUncut diamond45–55 (noted)Rare182,250–222,750
Loop half of a keyLoop half of a key1Uncommon17,782
Tooth half of a keyTooth half of a key1Uncommon36,712
Uncut dragonstoneUncut dragonstone1Uncommon12,319
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare554,355–677,545
Dragon longswordDragon longsword1Common57,281
Dragon spearDragon spear1Uncommon35,817
BattlestaffBattlestaff180–220 (noted)Uncommon1,305,540–1,595,660
Rune javelinRune javelin5Rare815
Rune platebodyRune platebody1Uncommon37,980
Rune platebodyRune platebody15–25 (noted)Rare569,700–949,500
Shield left halfShield left half1Uncommon64,923
Dragon helmDragon helm1Uncommon58,863
Rune arrowheads 5Rune arrowheads113–137Common23,391–28,359
Onyx bolts 5Onyx bolts135–165Rare1,134,405–1,386,495
Vecna skullVecna skull1Uncommon40,384
Chaos talismanChaos talisman1Uncommon984
Nature talismanNature talisman1Uncommon222
Water talismanWater talisman65–82 (noted)Rare767,130–967,764
Earth talismanEarth talisman65–82 (noted)Rare179,075–225,910
Fire talismanFire talisman25–35 (noted)Rare70,625–98,875
Raw lobsterRaw lobster135–165 (noted)Uncommon27,135–33,165
Raw sharkRaw shark225–275 (noted)Uncommon179,100–218,900
Big bonesBig bones79–90 (noted)Uncommon30,257–34,470
Dragon bonesDragon bones180–220 (noted)Uncommon316,260–386,540
CoalCoal200–1,100 (noted)Uncommon77,600–426,800
Gold oreGold ore90–110 (noted)Common15,750–19,250
Adamantite oreAdamantite ore180–220 (noted)Uncommon231,120–282,480
Adamant barAdamant bar15 (noted)Common36,675
Adamant barAdamant bar135–165 (noted)Rare330,075–403,425
Runite oreRunite ore90–110 (noted)Rare929,160–1,135,640
Rune barRune bar3 (noted)Common43,032
Rune barRune bar45–55 (noted)Rare645,480–788,920
Grimy torstolGrimy torstol90–110 (noted)Uncommon403,650–493,350
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon341,730–417,670
Super restore (4)Super restore (4)45–55 (noted)Uncommon188,595–230,505
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon114,660–140,140
Herb seed 5Lantadyme seed14–16Uncommon133,532–152,608
Herb seed 5Dwarf weed seed14–16Uncommon173,754–198,576
Magic seed 5Magic seed4Uncommon511,084
Palm tree seed 5Palm tree seed10Rare1,572,810
FlaxFlax450–550 (noted)Common12,600–15,400
Molten glassMolten glass45–55 (noted)Common9,090–11,110
Soft claySoft clay450–550 (noted)Uncommon86,400–105,600
Yew logsYew logs68–82Uncommon17,884–21,566
Yew logsYew logs675–825 (noted)Rare177,525–216,975
Teak plankTeak plank45–55 (noted)Uncommon29,160–35,640
Mahogany plankMahogany plank270–330 (noted)Rare546,480–667,920
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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