Complete guide to finding all Slab Keys in Hollow Knight Silksong with expert navigation tips and combat strategies
Introduction to Slab Keys and Their Importance

Hollow Knight Silksong features three essential Slab Keys strategically placed throughout the game world. These specialized items serve as gateways to previously inaccessible zones within The Slab territory, enabling players to advance critical storylines and complete important character quests. Many players first encounter this region after experiencing the dramatic kidnapping sequence during Act 1 by The Slab’s relentless jailers. The area itself occupies the northeastern quadrant adjacent to The Mount Fay, though alternative access routes exist from various map locations for experienced explorers.
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First Slab Key: Mount Fay Approach
- Initiate your journey from the elevated vertical zone of The Mount Fay, precisely as illustrated in the reference image. This starting position provides optimal positioning for the upcoming platforming challenges.
- Progress leftward until discovering a narrow vertical corridor. Carefully ascend through this tight passage to access the upper left sector, maintaining constant awareness to evade environmental hazards and spring-loaded traps until encountering an apparent pathway termination.
- Employ your character’s advanced wall-scaling technique to maneuver through the vertical shaft, ultimately reaching the elevated platform that marks the entrance to The Slab’s main territory.
- Upon arrival, utilize the interconnected platforms to navigate toward the left passageway. Continue your progression until transitioning into the distinctive frost-covered biome characterized by reduced visibility and slippery surfaces.
- Execute a controlled descent downward, carefully identifying the passage situated directly beneath your current elevation. Maintain forward momentum until locating another pathway conclusion, adjacent to which exists a downward-leading corridor.
- Descend completely to the lowest level then proceed leftward to discover the initial Slab Key suspended from a reinforced metallic chain mechanism.
- Strike the chain mechanism precisely once to release the key for collection. Maintain high alertness, as this sector contains two aggressive adversaries capable of disrupting your progress and dealing significant damage if approached carelessly.
Second Slab Key: Key of Heretic Location
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- The crucial Key of Heretic resides within The Slab’s upper district. Commence from the designated rest bench location in the elevated section of The Slab and advance rightward.
- You’ll encounter a descending vertical passage leading to the foundation level. From this position, move left until identifying a gateway that activates a distinctive Descend notification on your display.
- After the gateway retracts, you’ll arrive at the subterranean arena where multiple hostile entities await engagement. After successfully eliminating these opponents, one specific enemy will relinquish the Key of Heretic upon defeat.
Advanced Collection Strategies and Pro Tips
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For optimal key collection efficiency, consider these professional strategies: Always ensure your healing resources are fully stocked before attempting either key location. The Mount Fay route benefits from practicing the wall-climbing sequence in safer areas first to build muscle memory. When facing the enemies guarding the Key of Heretic, prioritize eliminating ranged attackers first while using the environment for cover. Many players waste time by not mapping their route efficiently – plan your path to collect both keys in a single expedition when possible. Advanced players recommend upgrading your nail before attempting these encounters, as the combat sections become significantly more manageable with enhanced damage output.
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