Game Of Thrones Walkthrough Part 28 – Alester – The Lion's Will, Part 4
When you arrive in the dungeon, a short while later Varys will appear. The two will talk. The first choice is to ask why the master of whispers has come to see him or ask after the news he might bring. Varys will admit he is there to help Alester escape. He also reveals that it will be weeks yet before Alester's trial. In the meantime, Valarr will have been wed to Elyana. The next choice is between why Varys is concerned about this marriage or asking after his plan. He will reveal that Cersei will reward the loyalty bountifully. In this lies the chance to find a path to the holdings of Riverspring.
Varys reveals the escape plan. He passes Alester the key to his cell and explains what he is to do to get out. He tells you to look for a flagstone in the floor with the Sigil Dragon on it.
Objective: Escape from the Red Keep's dungeons.
Side Objective: Reclaim your possessions from the guardroom
With Varys gone, open the cell door. Head North and turn to the East. If you head into the cell at the end of the Northern passage, Alester will recognize their quartermaster. Now take the first left that you can and head to the room. Collect your belongings from the table in front of you. Be careful as there are Goldcloaks in the doorway just beyond the pillar. Immediately turn around and head back into the prison corridors.
Once the guards have patrolled the room, it is safe to reenter without having to fight them. You will need to fight them to move forward though. Head into the room beyond the one with the guard and you will find the rest of your belongings waiting for you there. You will also find the Key to the Red Keep's cells. Defeat them, grab your belongings and loot the chest next to the table as well. You will get a pair of sellsword mail gauntlets.
Head back into the room with the sleeping guard. Go to the North and use the Key on the locked door there. Head over to the left. Time for another tutorial.
Tutorial: R'hllor: Detecting interactive elements
“Press the 'R button' to activate the vision of R'hloot, which will reveal hidden interactive elements: objects, doors, secret passages, etc.”
Use this ability and the wall will light up opposite you. Approach and head on through.