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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 claw1Uncommon6,178
Brackish bladeBrackish blade1Rare132,712

PotionsEdit

Item Quantity Rarity GE market price
Fishing potion (4)Fishing potion (4)2 (noted)Common118
Super attack (1)Super attack (1)1Common522
Super strength (1)Super strength (1)1Common1,461
Super defence (1)Super defence (1)1Uncommon764
Super ranging potion (2)Super ranging potion (2)1Rare6,742

HerbsEdit

Item Quantity Rarity GE market price
Grimy guamGrimy guam1Common440
Grimy marrentillGrimy marrentill1Common200
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common99
Grimy ranarrGrimy ranarr1Common3,051
Grimy iritGrimy irit1Common2,941
Grimy kwuarmGrimy kwuarm1Uncommon4,847
Grimy avantoeGrimy avantoe1Uncommon5,029
Grimy cadantineGrimy cadantine1Uncommon3,567
Grimy lantadymeGrimy lantadyme1Uncommon7,178
Grimy dwarf weedGrimy dwarf weed1Uncommon7,292

SeedsEdit

Item Quantity Rarity GE market price
Potato seed 5Potato seed1–3Common3–9
Onion seed 5Onion seed1–3Common3–9
Cabbage seed 5Cabbage seed1–3Common9–27
Tomato seed 5Tomato seed1–3Common3–9
Strawberry seed 5Strawberry seed1–3Common529–1,587
Watermelon seed 5Watermelon seed1–3Uncommon2,142–6,426
Evil turnip seed 5Evil turnip seed1–4Uncommon107–428
Sweetcorn seed 5Sweetcorn seed1–3Uncommon9–27
Morchella mushroom spore 5Morchella mushroom spore2Uncommon174

OtherEdit

Item Quantity Rarity GE market price
Coins 1000Coins342–1,671CommonNot sold
LobsterLobster1Common173
Raw lobsterRaw lobster1–3Common226–678
Gold oreGold ore2 (noted)Common382
Fire talismanFire talisman1Rare3,494
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 sapphire1Common984
Uncut emeraldUncut emerald1Common1,865
Uncut rubyUncut ruby1Common2,388
Uncut diamondUncut diamond1Common3,987
Uncut diamondUncut diamond45–55 (noted)Rare179,415–219,285
Loop half of a keyLoop half of a key1Uncommon18,799
Tooth half of a keyTooth half of a key1Uncommon37,107
Uncut dragonstoneUncut dragonstone1Uncommon12,251
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare551,295–673,805
Dragon longswordDragon longsword1Common57,562
Dragon spearDragon spear1Uncommon36,325
BattlestaffBattlestaff180–220 (noted)Uncommon1,281,420–1,566,180
Rune javelinRune javelin5Rare885
Rune platebodyRune platebody1Uncommon38,012
Rune platebodyRune platebody15–25 (noted)Rare570,180–950,300
Shield left halfShield left half1Uncommon64,210
Dragon helmDragon helm1Uncommon59,020
Rune arrowheads 5Rune arrowheads113–137Common22,487–27,263
Onyx bolts 5Onyx bolts135–165Rare1,129,815–1,380,885
Vecna skullVecna skull1Uncommon62,390
Chaos talismanChaos talisman1Uncommon622
Nature talismanNature talisman1Uncommon254
Water talismanWater talisman65–82 (noted)Rare845,975–1,067,230
Earth talismanEarth talisman65–82 (noted)Rare210,600–265,680
Fire talismanFire talisman25–35 (noted)Rare87,350–122,290
Raw lobsterRaw lobster135–165 (noted)Uncommon30,510–37,290
Raw sharkRaw shark225–275 (noted)Uncommon288,000–352,000
Big bonesBig bones80–90 (noted)Uncommon33,280–37,440
Dragon bonesDragon bones180–220 (noted)Uncommon488,160–596,640
CoalCoal200–1,100 (noted)Uncommon61,600–338,800
Gold oreGold ore90–110 (noted)Common17,190–21,010
Adamantite oreAdamantite ore180–220 (noted)Uncommon219,600–268,400
Adamant barAdamant bar15 (noted)Common45,945
Adamant barAdamant bar135–165 (noted)Rare413,505–505,395
Runite oreRunite ore90–110 (noted)Rare963,810–1,177,990
Rune barRune bar3 (noted)Common42,834
Rune barRune bar45–55 (noted)Rare642,510–785,290
Grimy torstolGrimy torstol90–110 (noted)Uncommon514,440–628,760
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon461,700–564,300
Super restore (4)Super restore (4)45–55 (noted)Uncommon198,360–242,440
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon143,775–175,725
Herb seed 5Lantadyme seed14–16Uncommon203,434–232,496
Herb seed 5Dwarf weed seed14–16Uncommon290,766–332,304
Magic seed 5Magic seed4Uncommon700,704
Palm tree seed 5Palm tree seed10Rare1,863,600
FlaxFlax450–550 (noted)Common19,350–23,650
Molten glassMolten glass45–55 (noted)Common9,900–12,100
Soft claySoft clay450–550 (noted)Uncommon99,000–121,000
Yew logsYew logs68–82Uncommon19,788–23,862
Yew logsYew logs675–825 (noted)Rare196,425–240,075
Teak plankTeak plank45–55 (noted)Uncommon33,795–41,305
Mahogany plankMahogany plank270–330 (noted)Rare546,210–667,590
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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