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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 dangerous and aggressive, 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 percentages
No charms Gold charm Green charm Crimson charm Blue charm

89–91%

2–3%

1–2%

2–3%

4–5%

Represents 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 killed).


Weapons and armourEdit

  Item Quantity Rarity GE Market Price
Rune claw Rune claw 1 3 Uncommon 6,391
Brackish blade Brackish blade 1 4 Rare 160,208

PotionsEdit

  Item Quantity Rarity GE Market Price
Fishing potion (4) Fishing potion (4) 2 (noted) 2 Common 138
Super attack (1) Super attack (1) 1 2 Common 453
Super strength (1) Super strength (1) 1 2 Common 1,144
Super defence (1) Super defence (1) 1 3 Uncommon 102
Super ranging potion (2) Super ranging potion (2) 1 4 Rare 6,749

HerbsEdit

  Item Quantity Rarity GE Market Price
Grimy guam Grimy guam 1 2 Common 686
Grimy marrentill Grimy marrentill 1 2 Common 192
Grimy tarromin Grimy tarromin 1 2 Common 38
Grimy harralander Grimy harralander 1 2 Common 160
Grimy ranarr Grimy ranarr 1 2 Common 2,891
Grimy irit Grimy irit 1 2 Common 2,690
Grimy kwuarm Grimy kwuarm 1 3 Uncommon 3,651
Grimy avantoe Grimy avantoe 1 3 Uncommon 4,270
Grimy cadantine Grimy cadantine 1 3 Uncommon 2,167
Grimy lantadyme Grimy lantadyme 1 3 Uncommon 8,916
Grimy dwarf weed Grimy dwarf weed 1 3 Uncommon 9,050

SeedsEdit

  Item Quantity Rarity GE Market Price
Potato seed 5 Potato seed 1–3 2 Common 5–15
Onion seed 5 Onion seed 1–3 2 Common 2–6
Cabbage seed 5 Cabbage seed 1–3 2 Common 7–21
Tomato seed 5 Tomato seed 1–3 2 Common 2–6
Strawberry seed 5 Strawberry seed 1–3 2 Common 398–1,194
Watermelon seed 5 Watermelon seed 1–3 3 Uncommon 2,849–8,547
Evil turnip seed 5 Evil turnip seed 1–4 3 Uncommon 272–1,088
Sweetcorn seed 5 Sweetcorn seed 1–3 3 Uncommon 3–9
Morchella mushroom spore 5 Morchella mushroom spore 2 3 Uncommon 1,536

OtherEdit

  Item Quantity Rarity GE Market Price
Coins 250 Coins 342–1,671 2 Common Not sold
Lobster Lobster 1 2 Common 228
Raw lobster Raw lobster 1–3 2 Common 291–873
Gold ore Gold ore 2 (noted) 2 Common 610
Fire talisman Fire talisman 1 4 Rare 4,467
Spirit sapphire Spirit sapphire 1 4 Rare Not sold
Spirit emerald Spirit emerald 1 4 Rare Not sold
Spirit ruby Spirit ruby 1 4 Rare Not sold
Ancient effigy Ancient effigy 1 5 Very rare Not 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 250 Coins 250 – 450; 3,000;
9,000; 10,000; 12,000
2 Common Not sold
Uncut sapphire Uncut sapphire 1 2 Common 1,332
Uncut emerald Uncut emerald 1 2 Common 2,723
Uncut ruby Uncut ruby 1 2 Common 3,596
Uncut diamond Uncut diamond 1 3 Uncommon 5,964
Loop half of a key Loop half of a key 1 3 Uncommon 27,850
Tooth half of a key Tooth half of a key 1 3 Uncommon 62,304
Uncut dragonstone Uncut dragonstone 1 4 Rare 15,413
Dragonstone Dragonstone 1 4 Rare 10,486
Dragon dagger Dragon dagger 1 3 Uncommon 16,343
Rune battleaxe Rune battleaxe 1 4 Rare 24,112
Rune javelin Rune javelin 5 4 Rare 885
Adamant javelin Adamant javelin 20 5 Very rare 1,220
Rune 2h sword Rune 2h sword 1 5 Very rare 37,523
Rune spear Rune spear 1 5 Very rare 11,486
Dragon spear Dragon spear 1 5 Very rare 36,048
Dragon dagger Dragon dagger 50 (noted) 5 Very rare 817,150
Rune sq shield Rune sq shield 1 5 Very rare 22,359
Rune kiteshield Rune kiteshield 1 5 Very rare 31,551
Shield left half Shield left half 1 5 Very rare 64,022
Dragon helm Dragon helm 1 5 Very rare 58,997
Adamant bolts 5 Adamant bolts 200 3 Uncommon 19,000
Onyx bolts 5 Onyx bolts 150 4 Rare 1,258,200
Rune arrow 5 Rune arrow 150–200, 500 4 Rare 22,800–76,000
Battlestaff Battlestaff 200 (noted) 4 Rare 1,564,200
Vecna skull Vecna skull 1 5 Very rare 102,171
Water talisman Water talisman 1 3 Uncommon 15,482
Earth talisman Earth talisman 25–35 (noted) 3 Uncommon 118,125–165,375
Fire talisman Fire talisman 25–35 (noted) 3 Uncommon 111,675–156,345
Chaos talisman Chaos talisman 1 3 Uncommon 978
Nature talisman Nature talisman 1 3 Uncommon 375
Pure essence Pure essence 500–15,000 (noted) 3 Uncommon 8,000–240,000
Nature rune Nature rune 20–80 4 Rare 5,800–23,200
Soul rune Soul rune 20 4 Rare 4,860
Law rune Law rune 45 4 Rare 21,735
Death rune Death rune 50, 121 4 Rare 10,750–26,015
Blood rune Blood rune 50 4 Rare 16,350
Raw swordfish Raw swordfish 125–250, 1,000 (noted) 3 Uncommon 49,375–395,000
Raw shark Raw shark 250–500 (noted) 3 Uncommon 387,500–775,000
Big bones Big bones 150–500 (noted) 3 Uncommon 98,700–329,000
Coal Coal 150–7,500 (noted) 3 Uncommon 37,050–1,852,500
Adamantite ore Adamantite ore 150–800 (noted) 3 Uncommon 346,800–1,849,600
Silver ore Silver ore 100 (noted) 4 Rare 9,000
Runite ore Runite ore 100 (noted) 4 Rare 1,049,100
Adamant bar Adamant bar 1,000–7,000 (noted) 4 Rare 3,061,000–21,427,000
Rune bar Rune bar 1, 50 (noted) 4 Rare 13,926–696,300
Clean toadflax Clean toadflax 25–250 (noted) 3 Uncommon 108,425–1,084,250
Clean snapdragon Clean snapdragon 30–120 (noted) 3 Uncommon 148,200–592,800
Clean torstol Clean torstol 10–100 (noted) 3 Uncommon 86,180–861,800
Watermelon seed 5 Watermelon seed 3 3 Uncommon 8,547
Yew seed 5 Yew seed 1–50 4 Rare 67,781–3,389,050
Magic seed 5 Magic seed 1–7 4 Rare 145,806–1,020,642
Palm tree seed 5 Palm tree seed 10 4 Rare 1,152,270
Herb seed 5 Snapdragon seed 1 4 Rare 2,172
Yew logs Yew logs 50–20,000 (noted) 4 Rare 19,750–7,900,000
Crystal triskelion fragment 1 Crystal triskelion fragment 1 1 5 Very rare Not sold
Crystal triskelion fragment 2 Crystal triskelion fragment 2 1 5 Very rare Not sold
Crystal triskelion fragment 3 Crystal triskelion fragment 3 1 5 Very rare Not sold
Brawling gloves (Melee) Brawling gloves (Melee) 1 5 Very rare Not sold
Brawling gloves (Magic) Brawling gloves (Magic) 1 5 Very rare Not sold
Brawling gloves (Ranged) Brawling gloves (Ranged) 1 5 Very rare Not sold
Brawling gloves (Agility) Brawling gloves (Agility) 1 5 Very rare Not sold
Brawling gloves (Cooking) Brawling gloves (Cooking) 1 5 Very rare Not sold
Brawling gloves (FM) Brawling gloves (FM) 1 5 Very rare Not sold
Brawling gloves (Fishing) Brawling gloves (Fishing) 1 5 Very rare Not sold
Brawling gloves (Hunter) Brawling gloves (Hunter) 1 5 Very rare Not sold
Brawling gloves (Mining) Brawling gloves (Mining) 1 5 Very rare Not sold
Brawling gloves (Prayer) Brawling gloves (Prayer) 1 5 Very rare Not sold
Brawling gloves (Smithing) Brawling gloves (Smithing) 1 5 Very rare Not sold
Brawling gloves (Thieving) Brawling gloves (Thieving) 1 5 Very rare Not sold
Brawling gloves (WC) Brawling gloves (WC) 1 5 Very rare Not 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 token Key token 1 4 Rare Not 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 July 1st 2014.

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