Queen help book
This is the quick guide for The Great Brain Robbery.
For a more in-depth version, click here.


Start pointQuest map icon Talk to Brother Tranquility, who is located just off the docks on Mos Le'Harmless.
Official difficultyExperienced Experienced
Quest Quests:
Items requiredItems from the tool belt are not listed unless they do not work or are not automatically added.
  • A hammer
  • Fishbowl helmet and diving apparatus
  • 38+ nails of any kind (the nails have a chance to accidentally bend, so it is recommended to bring more)
  • 18 regular planks; any other plank will not work (only 8 are needed if buying the 10 wooden cats from the Grand Exchange)
  • 10 pieces of fur (most types of fur will work; common kebbit fur does not work) (not needed if buying wooden cats from the Grand Exchange – note that you cannot craft wooden cats until they are required during the quest)
  • A holy symbol
  • Ring of charos (a)


Enemies to defeat

Bank any familiars or pets, as you'll be diving in the quest, and it is not possible to do so with a familiar out.


Items needed: Hammer, 4 regular planks, at least 10 nails, fishbowl helmet, diving apparatus and a holy symbol
  • Travel to Mos'le Harmless, walk a bit north and talk to Brother Tranquility.
  • Accept his offer to teleport you to Harmony Island.
  • Head into the garden, pull the statue and climb down the ladder.
  • Equip your diving gear.
  • Run past the zombie pirates.
  • Repair the stairs at the end of the tunnel, and climb them up.
  • Look through the peephole on the wall.
  • Make your way back to Brother Tranquility and speak with him.
  • He'll suggest you get a prayer book that can be used to pray away the poison.
  • Travel to the Monastery near Edgeville.
  • Search the bookshelves in the southwest corner of the ground floor to find a prayer book.
  • Read the book.
  • Head back to Brother Tranquility who teleports you to Harmony.
  • Wear your holy symbol and recite the prayer book by right-clicking on it.

Family DoctorEdit

  • Talk to Brother Tranquility.
  • Travel to Dr. Fenkenstrain's abode, which is directly north-east of the Canifis lodestone.
  • Meet up with him on the 2nd floor[help].

Err... Meow?Edit

Items needed: 10 wooden cats, 28+ nails, 4 planks, ring of charos (a)
  • Make sure you have at least two open inventory slots, and equip your Ring of Charos (a).
  • Talk to Rufus, the owner of the meat store, in Canifis.
  • Travel back to Dr. Fenkenstrain with all of the required items.
  • Build the crate on the hotspot.
  • Build a false bottom by clicking the crate.
  • Click it once again to fill it with fake cats.
  • Use the wolf whistle to call Rufus
  • Use the shipping order on the crate.

Scrubs Edit

  • Travel back to Mos Le'Harmless.
  • Head over to Brother Tranquility back on Harmony Island
  • Climb down the granary ladder and talk to Dr. Fenkenstrain.
  • Put on your diving suit and head north from the granary to the ship that had run aground.
  • Search the locker on the west end of ground floor to get a fuse.
  • Climb up a level to get a tinderbox and a keg of powder.
  • Go back to the front door of the monastery and wedge the keg in the front door.
  • Add a fuse and use your tinderbox on it.
  • Kill some sorebones until you get the following items:
  • Go back to the granary and hand those over to Dr. Fenkenstrain.
  • After the cutscene, go upstairs and talk to Brother Tranquility.


  • Grab all the armour, food and potions you'll need for the upcoming fight - do not bring a helmet or cape since you still need to wear your diving suit.
  • Walk through the demolished front door of the monastery to confront Mi-Gor.
  • Kill Barrelchest.
  • After the fight, pick up the anchor.
  • Inform Brother Tranquility of your victory.
  • Quest complete!

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