The Great Brain Robbery/Quick guide

Walkthrough
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.

Disharmony

 * 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 Doctor

 * 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.

Err... Meow?

 * 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

 * 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:
 * 3 bell jars
 * A pair of brain tongs
 * A cranial clamp
 * A hammer (you wont get one as a drop if its in your toolbar)
 * 30 skull staples
 * Go back to the granary and hand those over to Dr. Fenkenstrain.
 * After the cutscene, go upstairs and talk to Brother Tranquility.

Barrelchest

 * 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!