The Key — Eriksholm: The Stolen Dream Walkthrough

Boiler Room: After the intro cutscene, enter the boiler room. Collect the note on the table and the poster collectible (Rosmark’s Gate and Bastion) on the wall. Exit through the door after waiting for the guard to pass. Climb the ladder after talking to Aunt Mary.

Attic: Stay behind boxes as two guards enter. Wait for one to check the trap door, then sneak past him. Enter the vent on the left.

Workshop: Observe guards from the vent. Wait for the guard near the metal grates to exit. Navigate around the metal grates, go up the stairs, and look through the window. Exit into the engine room.

Steam Engine: Hide behind the big wheel as guards patrol. Cross to the red crank wheel area, hide behind the middle wall, and interact with the crank to turn on the machine. Sneak up the stairs onto the upper grate area. Use moving boxes to reach the ladder on the right.

The Rooftops: Climb the ledge to the left. Continue down the rooftops and collect the note on the vent. Vault over the gate to the left.

Repair Shop: Walk right past the truck and down the stairs. Collect the 'Apple Gardens Travel Guide' collectible on the platform up the ladder on the left. Backtrack and go left from where you climbed down. Use the birds to distract the guard, then vault over the gate. Grab the note on the table behind the gate.

The Pub (Wine Storage): Enter the next doorway and quickly run across the yard to the left. Walk down the wooden walkway when the guard's back is turned. Grab the note on the barrel near the vault gate. Climb over the gate. Drop down from the upper platform or take the stairs and move around the corner. Climb the ledge and enter the vent. Collect the note and the 'Madame Cecilia' collectible inside the warehouse. Exit back to the wine storage deck. Step toward the birds to distract guards, then exit and walk around them to the back right. Vault over the gate and head towards the stairs. Grab the note on a crate at the bottom of the stairs.