The Putrified Ducts is a hidden area right next to a place called Memorium in the Citadel, which is a late-game part of Hollow Knight: Silksong. In this guide, we’ll walk you through how to navigate the surrounding regions and reach the Putrified Ducts safely in Hollow Knight
Fast travel to the Memorium Bench in Citadel. From here, start moving to the right side and keep going until you see two lanterns hanging from the roof. Refer to the map.
At the end of the path, jump up to a secret tunnel and hit the lever. This will open a large, long path for you to explore. Run all the way to the end of the area until you reach a stone wall.
Use a Cling Grip jump and Swift Step in the air to reach the highest flat part of the rock.
Hit the rock wall to open a secret path that leads to the Putrified Ducts.
