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Complete Hollow Knight Silksong Act 1 walkthrough with optimized progression route, boss strategies, and ability locations. Get from Moss Grotto to The Citadel efficiently.
Act 1 spans from Moss Grotto to defeating The Last Judge at The Citadel entrance. Follow this optimized route: Moss Grotto → The Marrow → Deep Docks → Far Fields → Greymoor → Shellwood → Blasted Steps. Collect 6 key abilities, defeat 7 mandatory bosses, and unlock all Bellway stations for efficient progression.
Starting your journey through Hollow Knight Silksong can feel overwhelming with Pharloom’s vast interconnected world sprawling before you. Act 1 serves as your introduction to this mysterious realm, taking Hornet from her dramatic crash-landing in Moss Grotto all the way to the imposing gates of The Citadel. This comprehensive walkthrough provides the most efficient path through Act 1, ensuring you collect every essential ability, defeat every mandatory boss, and unlock crucial fast travel points.
This guide focuses purely on progression-critical content – the abilities, bosses, and areas you absolutely must complete to finish Act 1. Optional quests, collectibles, and side content are excluded to maintain focus on the core journey.
Act 1 encompasses Hornet’s quest to discover who captured her and why she was brought to Pharloom as a prisoner. The act concludes when you face The Last Judge, the formidable guardian protecting The Citadel’s entrance.
Key progression milestones:
The beauty of Silksong’s design lies in how each region builds upon the previous one’s abilities, creating a natural progression curve that guides you toward increasingly complex challenges.
New Areas: Moss Grotto, The Marrow
New Abilities: Silkspear
Mandatory Bosses: Moss Mother, Bell Beast
Your adventure begins in the atmospheric Moss Grotto, where Hornet must navigate relatively linear pathways toward her first major challenge. The area serves as an extended tutorial, introducing core movement mechanics and combat fundamentals.
Navigation steps:
Moss Mother strategy: This introductory boss focuses on basic attack patterns and movement. Use it as an opportunity to familiarize yourself with Hornet’s combat rhythm, which differs significantly from the Knight’s moveset in the original Hollow Knight.
Bone Bottom serves as your introduction to Silksong’s town mechanics and NPC interactions, but the real progression happens in The Marrow.
Critical acquisitions:
Pro tip: While you can’t fast travel yet, discovering Bellway stations early pays dividends once you unlock the ability. Always prioritize finding these locations.
The Silkspear ability transforms Hornet’s combat capabilities, adding a powerful thrust attack that becomes essential for breaking certain barriers and dealing with tougher enemies.
Silkspear acquisition route:
Bell Beast encounter: After acquiring Silkspear, you’ll face the Bell Beast – not as a traditional boss fight, but as a “subduing” encounter that unlocks fast travel functionality. Use your new Silkspear to break the Bell Beast free, then subdue it to activate The Marrow’s Bellway station.
New Areas: Deep Docks
New Abilities: Swift Step
Mandatory Bosses: Lace
Deep Docks represents a significant step up in environmental complexity and enemy variety. The route from The Marrow requires careful navigation through vertical spaces.
Navigation pathway:
Immediate priorities upon arrival:
Swift Step revolutionizes Hornet’s movement capabilities, providing both a quick dodge and the ability to chain into sprints. This ability becomes essential for both combat and traversal.
Swift Step location route:
Swift Step mechanics: Press the input for a quick dodge, hold it down to transition into a sprint. This ability is crucial for accessing certain platforms and dodging complex enemy attack patterns.
Lace serves as Act 1’s first significant difficulty spike, testing your mastery of Hornet’s basic combat mechanics while introducing more complex boss patterns.
Accessing Lace:
Lace strategy: This boss emphasizes mobility and timing over raw damage output. Use your newly acquired Swift Step to dodge her quick attacks and create openings for counterattacks.
New Areas: Far Fields
New Abilities: Drifter’s Cloak
Mandatory Bosses: Fourth Chorus
Far Fields introduces vertical air current mechanics that fundamentally change how you approach traversal. The area’s wind-based puzzles require patience and observation.
Finding essential locations:
The Drifter’s Cloak grants Hornet limited flight capabilities, opening up entirely new traversal possibilities and making certain platforming challenges achievable.
Acquisition quest – Flexile Spines:
Fourth Chorus encounter: This boss fight occurs immediately after receiving the Drifter’s Cloak, testing your ability to use the new ability under pressure. The automaton boss requires both aerial maneuvering and precise combat timing.
The Drifter’s Cloak’s first major application involves literally breaking through Far Fields’ ceiling to reach the next region.
Ceiling breakthrough sequence:
New Areas: Greymoor, Bellhart, Shellwood
New Abilities: Hunter’s Journal, Cling Grip
Mandatory Bosses: Moorwing, Sister Splinter, Widow
Greymoor presents a more complex layout with multiple interconnected buildings and vertical challenges. Establishing your bearings early prevents confusion later.
Initial setup:
Moorwing guards the entrance to Bellhart, requiring you to prove your combat competency before accessing the cursed town.
Moorwing route:
Bellhart’s curse creates an eerie atmosphere with floating residents, setting up the dramatic encounters ahead in Shellwood.
Shellwood introduces wall-jumping mechanics through the Cling Grip ability while testing your combat skills against two challenging bosses.
Shellwood navigation:
Sister Splinter serves as the gatekeeper to one of Act 1’s most important abilities.
Boss route and ability:
The Widow represents Act 1’s penultimate challenge, requiring mastery of all abilities learned so far.
Widow access and rewards:
Victory rewards:
New Areas: Blasted Steps, The Citadel
New Abilities: None
Mandatory Bosses: The Last Judge
The final stretch of Act 1 focuses on navigation challenges and preparing for the climactic boss encounter.
Blasted Steps setup:
The runback to The Last Judge is notoriously difficult, featuring dangerous enemies and environmental hazards. However, a shortcut significantly improves the experience.
Critical shortcut location:
The Last Judge serves as the climactic test of everything you’ve learned throughout Act 1.
Boss encounter setup:
Victory and progression:
Prioritize exploration over speed. Each area contains secrets and shortcuts that make future navigation significantly easier. The time invested in thorough exploration pays dividends throughout your journey.
Master each ability as you acquire it. Don’t rush to the next objective without understanding how your new capabilities change your approach to both combat and traversal.
Manage your resources carefully. Rosary Beads become increasingly important as boss fights grow more challenging. Invest in healing upgrades and essential tools.
Use Bellways strategically. Once fast travel unlocks, efficient movement between regions becomes crucial for completing quests and accessing previously unreachable areas.
Available across Steam, Nintendo Switch, PlayStation, and Xbox, Silksong’s Act 1 provides the perfect introduction to Pharloom’s mysteries while building toward the greater challenges ahead.
With The Last Judge defeated and The Citadel’s gates opened, Hornet’s true journey begins. Act 1 serves as comprehensive preparation for the greater mysteries and challenges that await in Act 2 and beyond.
The abilities you’ve mastered, the combat skills you’ve developed, and the exploration techniques you’ve learned all become essential tools for conquering Pharloom’s deeper secrets. Act 1’s conclusion isn’t an ending – it’s your graduation into Silksong’s most challenging and rewarding content.
Take pride in reaching The Citadel, but remember that your adventure through Pharloom has only just begun. The skills learned in Act 1 form the foundation for everything that follows in this masterfully crafted metroidvania experience.