'Rum'-pumped crab

'Rum'-pumped crabs are level 91 monsters found in the 'Rum'geon on Braindeath Island, which is a multiway combat zone. 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. In addition, a Fishbowl helmet and Diving apparatus must be worn, otherwise the player will not be allowed to enter. They use only melee, and hit a maximum of around 120. They will take increased damage from the brackish blade that they drop, as well as the Brine sabre.

It should be noted that a brine sabre hits more often and with better damage using the controlled stab style, than it is to use Korasi's sword on controlled stab. There is a safespot from 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 on your way to safe spot,) 3 tunas, swordfish or monkfish for emergency food, and 17-21 prayer potions (4).

Since the Brine Sabre special attack does not have much of a benefit, a Dragon Battle Axe is worth an inventory space. The drop in attack levels from the special is easily countered by the super attack potion drops.

Protect from Melee is advised, as multiple crabs will attack the player. On occasion, nearby level 65 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.

Habitat(s)

 * Braindeath Island 'Rum'geon

100% Drops

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Gems

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Potions

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Herbs

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Weapons and armour

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Seeds

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Other

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Trivia

 * When using a Brine Sabre on them, the player would get a message: "The Brine Saber seems super-effective.", instead of -re. This has been fixed. This message may be a reference to the Pokemon videogames, in which the message "It's super effective!" is shown when the player deals the appropriate type of damage to their opponent.