Dimension of Disaster: Defender of Varrock

Walkthrough

 * 1) Start the quest by talking to Reldo in the Varrock Castle, in the room west of Arrav.
 * 2) Talk to Arrav,and confirm that he wants to bring down Zamouregal.
 * 3) Speak with Reldo again. Search throughout the library until you find the item "Heart magic notes"
 * 4) Attempt to enter the thron room, and then eaves drop.
 * 5) Go to the Varrock Clothes Store and buy the "Zombie" set. A decent way to get enough for this is to pickpocket the nearby zombies.
 * 6) Buy vials from the General store, proceed back to the varrock castle,m go upstairs and kill the armoured zombies, then collect the mist by using the vials on the mist.

Rewards

 * 2 Quest Points
 * 600 zemomarks
 * 15,000 combat XP lamp
 * 10,000 Thieving XP lamp
 * 10,000 Magic XP lamp
 * 10,000 Defence XP lamp
 * 2,000 Construction XP lamp
 * Two Treasure Hunter keys

Trivia

 * While observing the garden of hostility in the scrying pool, Arrav will sing a song from The Wizard of OZ about the tin man and having a heart.
 * While evesdropping on Zemourgal on the 1st floor his gargoyle minion constantly lampshades how it's a bad idea to reveal such important details.