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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 6,463
Brackish blade Brackish blade 1 4 Rare 155,254

PotionsEdit

  Item Quantity Rarity GE Market Price
Fishing potion (4) Fishing potion (4) 2 (noted) 2 Common 140
Super attack (1) Super attack (1) 1 2 Common 434
Super strength (1) Super strength (1) 1 2 Common 1,032
Super defence (1) Super defence (1) 1 3 Uncommon 139
Super ranging potion (2) Super ranging potion (2) 1 4 Rare 7,415

HerbsEdit

  Item Quantity Rarity GE Market Price
Grimy guam Grimy guam 1 2 Common 639
Grimy marrentill Grimy marrentill 1 2 Common 152
Grimy tarromin Grimy tarromin 1 2 Common 44
Grimy harralander Grimy harralander 1 2 Common 148
Grimy ranarr Grimy ranarr 1 2 Common 3,399
Grimy irit Grimy irit 1 2 Common 2,581
Grimy kwuarm Grimy kwuarm 1 3 Uncommon 3,460
Grimy avantoe Grimy avantoe 1 3 Uncommon 4,565
Grimy cadantine Grimy cadantine 1 3 Uncommon 2,417
Grimy lantadyme Grimy lantadyme 1 3 Uncommon 9,329
Grimy dwarf weed Grimy dwarf weed 1 3 Uncommon 9,348

SeedsEdit

  Item Quantity Rarity GE Market Price
Potato seed 5 Potato seed 1–3 2 Common 4–12
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 3–9
Strawberry seed 5 Strawberry seed 1–3 2 Common 399–1,197
Watermelon seed 5 Watermelon seed 1–3 3 Uncommon 2,341–7,023
Evil turnip seed 5 Evil turnip seed 1–4 3 Uncommon 279–1,116
Sweetcorn seed 5 Sweetcorn seed 1–3 3 Uncommon 3–9
Morchella mushroom spore 5 Morchella mushroom spore 2 3 Uncommon 666

OtherEdit

  Item Quantity Rarity GE Market Price
Coins 250 Coins 342–1,671 2 Common Not sold
Lobster Lobster 1 2 Common 218
Raw lobster Raw lobster 1–3 2 Common 324–972
Gold ore Gold ore 2 (noted) 2 Common 558
Fire talisman Fire talisman 1 4 Rare 5,076
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 200–350;3,000 2 Common Not sold
Uncut sapphire Uncut sapphire 1 2 Common 1,323
Uncut emerald Uncut emerald 1 2 Common 2,865
Uncut ruby Uncut ruby 1 2 Common 3,437
Uncut diamond Uncut diamond 1 3 Uncommon 5,788
Loop half of a key Loop half of a key 1 3 Uncommon 30,445
Tooth half of a key Tooth half of a key 1 3 Uncommon 45,120
Uncut dragonstone Uncut dragonstone 1 4 Rare 15,552
Dragonstone Dragonstone 1 4 Rare 10,564
Dragon dagger Dragon dagger 1 3 Uncommon 16,393
Rune battleaxe Rune battleaxe 1 4 Rare 24,197
Rune javelin Rune javelin 5 4 Rare 850
Adamant javelin Adamant javelin 20 5 Very rare 1,260
Rune 2h sword Rune 2h sword 1 5 Very rare 37,492
Rune spear Rune spear 1 5 Very rare 11,458
Dragon spear Dragon spear 1 5 Very rare 36,374
Battlestaff Battlestaff 200 (noted) 4 Rare 1,572,400
Rune sq shield Rune sq shield 1 5 Very rare 22,197
Rune kiteshield Rune kiteshield 1 5 Very rare 31,639
Shield left half Shield left half 1 5 Very rare 64,814
Dragon helm Dragon helm 1 5 Very rare 59,208
Adamant bolts 5 Adamant bolts 200 3 Uncommon 14,200
Onyx bolts 5 Onyx bolts 150 4 Rare 1,267,050
Rune arrow 5 Rune arrow 150 4 Rare 22,650
Vecna skull Vecna skull 1 5 Very rare 101,975
Water talisman Water talisman 1 3 Uncommon 16,616
Earth talisman Earth talisman 25–35 (noted) 3 Uncommon 133,900–187,460
Fire talisman Fire talisman 25–35 (noted) 3 Uncommon 126,900–177,660
Chaos talisman Chaos talisman 1 3 Uncommon 991
Nature talisman Nature talisman 1 3 Uncommon 346
Pure essence Pure essence 1,000–1,500 (noted) 3 Uncommon 15,000–22,500
Nature rune Nature rune 60–80 4 Rare 17,460–23,280
Soul rune Soul rune 20 4 Rare 4,420
Law rune Law rune 45 4 Rare 23,760
Death rune Death rune 50 4 Rare 13,350
Blood rune Blood rune 50 4 Rare 18,250
Raw swordfish Raw swordfish 125–250 (noted) 3 Uncommon 50,250–100,500
Raw shark Raw shark 250 (noted) 3 Uncommon 366,250
Big bones Big bones 150–180 (noted) 3 Uncommon 97,650–117,180
Coal Coal 550–700 (noted) 3 Uncommon 132,000–168,000
Adamantite ore Adamantite ore 150–250 (noted) 3 Uncommon 324,000–540,000
Silver ore Silver ore 100 (noted) 4 Rare 9,000
Runite ore Runite ore 100 (noted) 4 Rare 1,061,200
Rune bar Rune bar 1 2 Common 13,675
Rune bar Rune bar 50 (noted) 5 Very rare 683,750
Clean toadflax Clean toadflax 35–45 (noted) 3 Uncommon 155,505–199,935
Clean snapdragon Clean snapdragon 30–35 (noted) 3 Uncommon 141,060–164,570
Clean torstol Clean torstol 16–34 (noted) 3 Uncommon 142,912–303,688
Herb seed 5 Snapdragon seed 1 2 Common 2,555
Herb seed 5 Torstol seed 1 3 Uncommon 41,717
Watermelon seed 5 Watermelon seed 3 3 Uncommon 7,023
Magic seed 5 Magic seed 3–7 4 Rare 427,980–998,620
Palm tree seed 5 Palm tree seed 10 4 Rare 1,101,940
Yew logs Yew logs 450–550 (noted) 4 Rare 175,500–214,500
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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