The Thieves Guild Quest/Spoiler

Required Equipment

 * 10 Elephant Tusks
 * 8,000 gps
 * Alot of travel money

Method
Join to the Thieves Guild by talking to Dorian in Thais.

Mission 1: Ivory Poaching
Collect 10 elephant tusks and report back to Dorian.

Mission 2: Burglary
Travel to Carlin and visit Sarina's general store. Use the vines on the side of her house to travel into her locked room. Use lock picks to break open her chest. Steal the vase and report back to Dorian

Mission 3: Invitation
Dorian would like you to earn his guild an invitation to the King's ball. You can achieve this by visiting Oswald, east of the temple in Thais. It will cost you 1000 gold. Report back to Dorian when you receive the invitation.

Mission 4: Bridge Robbery
Go to Outlaw Camp and find Snake Eye. Say 'documents' and he will tell you to go see Ahmet in Ankrahmun. Go to him and say 'documents', he will ask you to go kill a nomad from the oasis north of Ankrahmun. Once you have, go back to him and ask him about a document. For 1000 gp he will give you a Deed of ownership. The next step is to go find Percybald who wanders around Carlin. Say 'disguise' and he will ask you to go take a copy of the script in the prop room at the theatre. Once you get it go back to him and say 'test'. He will say lines from the script and you'll have to say the line which follows according to the script. Eventually he will give you the disguise kit. Go to Venore and find Nurik under the depot. Disguise yourself with the disguise kit. Greet him and say 'dwarven bridge'. He will trade you the Deed of ownership for the Mina Losa Picture. Report to Dorian.

Mission 5: Enforcing Depts
Go to the smugglers cave underneath Tiquanda, north west of Port Hope. Three levels below you will find a quest door with a chest. Retrieve the Golden Goblet and report to Dorian.

Mission 6: Fishnapping
Go to Liberty Bay. Go the Jewel Shop, north east corner of Liberty Bay. Outside there's a man walking around, talk to him and ask him for "key". He says he is not possible to bribe him, he also says that Hugbert, the postman in Liberty Bay, is easy to bribe. Now go to Hugbert and say "hi", "letter", "gold", "yes". He will take 1k from you in exchange for a letter. Go to Venore and visit the Jewel shop there, look for Carina and ask to buy "precious necklace". This will cost you 5k. Now go to Jewel Shop in Liberty Bay and talk to Chantalle, tell her "gold fish" and she will take the necklace and give you the key to use room upstairs. Use the key on the door and you will be tped passed. Take use on the gold fish bowl and pick up the one that fall below you, then report back to Dorian.

Mission 7: Blackmail
Go to the guard's barracks in Venore (south west area). Go one floor up and 'use' the pillow on the most north west bed. You will get a letter. Report to Dorian.

Mission 8: Message
Go to the second groundfloor in Dark Cathedral. Switch all the levers in the circle and then go through the Teleport in the south. Once you have, walk north and 'use' the note between the demon trophies on the wall. Report to Dorian