Master the Citadel of Song with expert navigation, boss strategies, and essential upgrades for Hollow Knight Silksong Act 2
Getting Started: From Grand Gate to Underworks


Hollow Knight Silksong Act 2 Citadel of Song becomes accessible immediately following your victory against the Last Judge and passage through the Grand Gate. This expansive region introduces innovative gameplay mechanics, diverse enemy types, collectible wishes, and powerful Ancestral Arts. As Hornet ventures deeper into The Great Citadel, she’ll encounter several challenging bosses and potentially reunite with characters from her past journeys.
To access this area, you must expend 40 Rosaries. Begin by navigating to the far right section of the Grand Gate zone and descend using the broken lift. This descent initiates your ascent through the industrial Underworks area, characterized by mechanical hazards and vertical platforming challenges.
The Underworks region sits directly beneath the Choral Chambers, which we’ll explore subsequently. Your initial priority should be obtaining the area map by ascending through the environment. On the left side you’ll discover a chamber containing a damaged notice board housing the Underworks map.
Acquire this cartographic asset at no cost before retracing your steps. Exit the chamber and proceed rightward, exercising caution to evade rotating sawblades while navigating past the indigenous Underworks enemies. Pro tip: These mechanical hazards often follow predictable patterns – observe their rotation cycles before attempting precise platforming maneuvers.
Choral Chambers Exploration
Upon reaching the elevated Choral Chambers, purchase the regional map from the vending apparatus for 70 Rosaries. Adjacent to this cartographic station lies the Ventrica Hollow Knight Silksong Act 2 – an advanced tubular transportation network serving as your primary mobility system within the Citadel’s interior regions.
While investigating this sector, you’ll have another encounter with the mysterious Lace, who engages Hornet in dialogue but leaves without a fight. This interaction creates a narrative branching point offering two distinct progression paths forward.
Journey to the western extremity of the Choral Chamber to discover The Slab and its associated Bellway station accompanied by a convenient resting bench. Alternatively, explore the eastern perimeter to encounter the Grand Bellway Hollow Knight Silksong Act 2.
After activating the Bellway station within Grand Bellway, ascend toward the eastern sectors. In this upper Choral Chambers section, you’ll find an isolated chair functioning as a respite point. To its right lies the First Shrine entrance. Upon exiting, the shrine’s Caretaker will commune with the structure and request you monitor the status of Songclave during future explorations.
Common mistake: Players often miss the First Shrine interaction, which is crucial for later quest progression. Always exhaust dialogue with NPCs to ensure you receive all secondary objectives.
Cogwork Core and Boss Strategy
Now return westward to access the Cogwork Core, where you’ll confront the Cogwork Dancers in a demanding dual-boss encounter. Remain vigilant of their attack patterns – while their assault directions are telegraphed visually, underestimating their coordination can prove fatal.
Advanced strategy: Focus on eliminating one dancer first while maintaining awareness of the other’s position. The remaining combatant becomes more aggressive but loses the synergistic attack patterns, making the encounter more manageable.
After defeating the first dancer, the confrontation transitions to a one-versus-one battle. Vanquish the final opponent to trigger an environmental transformation where two floor grates unlock. Descend via the left floor grate and leap across to discover an adjacent chamber. Strike the mechanism to activate both a rest bench and a scalable wall on the left. Ascend to secure the Cogwork Core map.
Following your victory, descend through both openings to access an extensive vertical space, then climb upward using the rightward path. Progressing to the eastern chamber reveals a giant wheel with a control lever that unlocks a horizontal path. This identical mechanism’s vertical passage previously facilitated travel between Songclave and Grand Bellway.
Optimization tip: Defeating the Cogwork Dancers efficiently requires using area-denial attacks to separate them. Utilize Hornet’s thread-based abilities to create barriers between the dancers, preventing their coordinated assault patterns.
Whispering Vaults and Resources
Utilize the horizontal passageway to reach Whispering Vaults, where you’ll meet Vaultkeeper Cardinius. Be aware that massive containers may obstruct your path. Strike these impediments to shift them along the floating rail systems visible in the background scenery.
If you’ve collected any Psalm Cylinders during your travels, present them to the Vaultkeeper. The Whispering Vaults also contain the valuable Pale Oil resource essential for obtaining Needle Upgrades in Hollow Knight Silksong.
Return to the Cogwork Core and engage with the trio of statues to receive your next primary mission objective: locating the three Melodies. However, before undertaking this quest, you must revisit the Underworks to obtain the crucial Clawline mobility ability.
If selecting the Whispering Vaults route, navigate downward to the penultimate level within this repository before proceeding to the Trobbio confrontation in Hollow Knight Silksong Act 2.
Resource management tip: Pale Oil is a limited resource – prioritize its use for essential Needle Upgrades that complement your playstyle. Offensive players should upgrade damage-dealing abilities first, while defensive players may prefer durability enhancements.
Advanced Navigation and Abilities
Upon defeating this boss, proceed rightward to locate an elevator facilitating descent to the Underworks. During transit, you’ll notice numerous Fourth Chorus lookalike mechanisms concentrated in one area. This locale houses the Twelfth Architect NPC. Converse with this character before utilizing the regional bench to preserve your advancement.
Next, travel left to access the Cauldron zone, where you must navigate an extensive pathway to obtain the Clawline Ancestral Art Hollow Knight Silksong Act 2. This ability grants enhanced vertical mobility essential for accessing previously unreachable areas.
Employ your newly acquired skill to escape the vicinity and reach a section with destructible ceiling components. Return to the elevator that transported you downward to Underworks from The Stage boss encounter against Trobbio.
Once at the elevator, activate its control mechanism and descend to reveal a subterranean passage. Traverse this territory methodically while ascending to a concealed section of Whispering Vaults in Hollow Knight Silksong Act 2. This secret area contains the Vaultkeeper’s Melody. A bench on the opposing side enables progress preservation.
Ascend back to the primary Whispering Vaults and access the chamber directly above the corridor leading to The Stage. Rearrange the containers to uncover Pale Oil as indicated on your map. Activate the Switch mechanism before exiting into the Choral Chambers.
Advanced navigation: The Clawline ability transforms exploration capabilities. Practice its mechanics in safe areas before attempting complex sequences. The ability allows for extended aerial maneuvers and accessing hidden areas containing valuable resources.
This guide will receive updates detailing the Architect’s and Conductor’s melody locations. Additionally, regions including The Slab and the pathway to the Faydown Cloak will be incorporated in future revisions of this Hollow Knight Silksong Act 2 guide.
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