Buyers and Cellars/Be a master thief

Be a master thief is the fourth and final caper Guildmaster Darren Lightfinger will assign a player who has completed the Buyers and Cellars quest and the previous three, From Tiny Acorns, Lost Her Marbles and A Guild of Our Own.

Walkthrough
Talk to Darren Lightfinger, he asks you if you can help him with one final mission. He wants you to steal three items, the Golden Pyramid from the Varrock museum, the Silver Knife and the clothing of Lord Vanderstone, the Regal ring from King Narras, stolen by some thieves in Ardougne. You can bring the items in any order. Ask Chief Thief Robin for some tips before you leave.

Golden Pyramid
First you need to go to the Varrock Museum. Go to the basement and walk south. Enter the new room, that recently opened. There are 4 guardsmen working there. There are various Menaphite treasures, with an pyramid, inside some glass wall in the middle. Click on look at pyramid. The player will say; Maybe I can make an sort of pyramid myself and replace it for this one? Talk to one of the guardsmen, ask them why this room is so heavenly guarded. They will say because its brand-new and the items in this room are very valuable, especially the golden pyramid.

Rewards

 * Ability to mix a Vial of stench
 * If players take the vial of stench (a) from the quest back to Chief Thief Robin, he re-enchants it so players can sell stolen goods to shopkeepers as long as they have the potion in their inventory
 * Full access to the Thieves' Guild including a bank
 * 2 extra spins on the Squeal of Fortune
 * Full access to the Thieves' Guild including a bank
 * 2 extra spins on the Squeal of Fortune