Embarking on the journey to the Putrified Ducts is a pivotal moment in any Hollow Knight: Silksong playthrough. This elusive and hazardous area is not only critical for players seeking the coveted "Sister of the Void" ending but also serves as a treasure trove of rare items and formidable boss encounters. However, reaching this hidden biome is a significant test of your mastery over Hornet's ancestral arts and platforming prowess.
This comprehensive walkthrough will detail every prerequisite and provide a step-by-step path to successfully navigate your way to the Putrified Ducts.
Prerequisites: Essential Skills for the Journey
Before you attempt this treacherous climb, you must ensure Hornet is equipped with the necessary tools. The path to the Putrified Ducts is sealed behind complex environmental puzzles that require a specific set of mobility upgrades. You will need to have acquired the following key abilities:
- Faydown Cloak: This essential skill allows Hornet to perform a mid-air dash, closing wide gaps and reaching distant platforms.
- Drifter’s Cloak: An enhanced cloak ability that likely provides extended dash distance or new functionality, crucial for the longest jumps.
- Cling Grip: This art lets Hornet adhere to and slide down specific walls, revealing new vertical pathways.
- Clawline: Silksong's equivalent of a grappling hook, the Clawline is indispensable for swinging across chasms and ascending to great heights.
Without this complete toolkit, progress will be impossible. Ensure you havethoroughly explored the kingdom of Pharloom to find these vital artsbefore proceeding.
Starting Your Ascent: Finding the Entrance
Your journey begins in the central hub of Songclave. From the local Bench, prepare for a demanding expedition. Head leftfrom the safe haven to locate the initial entrance shaft, marked as Point A on your map. This unassuming passage is the gateway to the intricate network of ducts above.
Step-by-Step Path to the Putrified Ducts
Follow these instructions meticulously to avoid getting lost in the complex architecture.
The First Ascent (A to B): From your starting point at Point A, leap upwards and utilize your Faydown Cloak to dash across a substantial gap, landing safely on the platform at Point B.The Horizontal Trek (B to C): Upon landing at B, immediately proceed to the right. Navigate thislinear corridor carefully, engaging with or evading the enemies thatpatrol this area. Continue on this straight path until you reach adrop-down point at Point C.The Descent and Turn (C to D): Drop down from Point C and once again, head to the right. You will soon find your path blocked by a solid wall at Point D.Discovering the Secret (D to the Lever): This is a crucial trick. Face the wall at Point D and use your Faydown Cloak to dash upwards against it. After a few attempts, you will discover acleverly disguised break in the ceiling. Jump into this hidden alcove,turn immediately to the right, and strike a concealed lever. Thismechanism will audibly activate a door somewhere below.The New Path (To E): Drop back down and proceed through the newly opened door. Continuesprinting to the right until you arrive at the final challenge, Point E.The Final Challenge (E to the Ducts): This platforming sequence is the ultimate test of your skills. You will need to combine your Faydown Cloak, Cling Grip, and Clawline in quick succession. Launch yourself upward, grab onto the wall withyour Cling Grip, and look for Clawline anchors to swing from. Precisetiming is required to ascend to the upper level.Arrival: After conquering this final obstacle, simply proceed to the right. Youwill have successfully arrived at your destination: the ominous andatmospheric Putrified Ducts.
With this guide, you are now prepared to tackle one of Silksong's mostchallenging areas. Master your movements, keep your needle sharp, andclaim the secrets that lie within.
Platform(s): Microsoft Windows PC, macOS, Linux, Nintendo Switch, Nintendo Switch 2, PlayStation 4 PS4, PlayStation 5 PS5, Xbox One, Xbox Series X/S
Developer(s): Team Cherry
Publisher(s): Team Cherry
Release date: 4 September 2025
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