Instructions
Go to the Demon Door in Bloodstone and play the lute in front of the door. Stop playing when the mark on the meter is in the green zone, after the door asks you to stop.
Approach the Demon Door at Bower Lake and perform the "Laugh," "Fart," "Point &Laugh," "Middle Finger," "Vulgar Thrust," "Growl," "Bloodlust Roar," "Worship," "Dance" and "Blow Kiss" gestures in that order when prompted.
Go to the Demon Door in Bowerstone Cemetery. Manoeuvre so there is a chicken between you and the door, and then kick the chicken into the door.
Take some cheese to the Demon Door in Brightwood. Change your appearance so that you have mutton chops and dreadlocks for hair, and wear the Posh Gentlemen's Shirt (or Noble Blouse), Farmer's Hat and Strumpet Skirt. Approach the door with this attire.
Bring another person to the Oakfield Demon Door and propose to them in front of it. Alternatively you can take your spouse to the door and use the "Blow Kiss" expression on her.
Take your dog to the Rookbridge Demon Door and perform at least five dog tricks in front of it.
Approach the Westcliff Demon Door when you have at least 50 percent corruption.
Bring ten people to the Wraithmarsh Demon Door.
Go to the Fairfax Demon Door when all of the others have been opened.