TL;DR
- Rescue the Green Prince from Sinner’s Road using a Simple Key
- Track his appearances in Citadel’s Choral Chamber and Cogwore Core
- Defeat Cogwork Dancers boss to trigger second encounter
- Acquire Elegy of the Deep song in Act 3 for Needolin
- Access Lost Verdania through Verdania Ruins for exclusive rewards
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Have you encountered the mysterious Green Prince during your journey through Pharloom in Hollow Knight: Silksong? This enigmatic NPC presents one of the game’s most intriguing side quests, leading to the hidden realm of Verdania. Understanding his motivations and following his trail requires careful exploration and specific item acquisition. Our comprehensive walkthrough provides detailed guidance from initial rescue to final destination, including essential strategies for navigating this complex multi-stage mission. Be advised that this guide contains significant spoilers regarding late-game content.
Lost Verdania represents one of Silksong’s most carefully concealed areas, demanding substantial effort and progression to access. Here’s what you’ll need to accomplish:
- Liberate the Green Prince from his Sinner’s Road imprisonment
- Successfully locate and interact with him during two separate Citadel appearances
- Progress deep into Act 3 to obtain the crucial Elegy of the Deep melody
- Navigate to Verdania Ruins and utilize your enhanced Needolin
- Overcome the challenges within Lost Verdania to claim your rewards
- Acquire Simple Key from merchants or quest rewards
- Navigate to Sinner’s Road and free the Green Prince
- Locate Green Prince in Choral Chamber (above Citadel Spa)
- Defeat Cogwork Dancers boss to enable second encounter
- Find Green Prince in Cogwore Core (left of boss arena)
- Progress to Act 3 and obtain Elegy of the Deep song
- Return to Verdania Ruins and use song to unlock Lost Verdania
- Explore Lost Verdania thoroughly for exclusive rewards and lore
Before gaining access to the Verdania secret area, your first critical task involves freeing the Green Prince from captivity. He’s imprisoned within the Sinner’s Road region, accessible via the upper-right exit positioned directly above Greymoor’s Halfway Home. To release him, you must acquire a Simple Key, which can be found in various locations throughout Pharloom.
Pro Tip: Simple Keys are often hidden in merchant shops or obtained as rewards for completing minor NPC tasks. Check with traveling vendors in Moss Grotto or complete errands for citizens in the Citadel’s lower districts. Many players miss these opportunities by rushing through dialogue options.
Common Mistake: Attempting to access Sinner’s Road without sufficient mobility upgrades. Ensure you have acquired the Wall Climb ability and basic combat proficiency before attempting this area, as the path contains several challenging platforming sections and hostile enemies.

Following his liberation, you must locate the Green Prince in two distinct Citadel locations to advance his storyline. These encounters are time-sensitive and require specific conditions to be met.
First Location – Choral Chamber: Navigate to the corridor situated directly above the Citadel Spa. This area typically contains minimal enemies but may require navigation through several musical puzzle elements.
Second Location – Cogwore Core: Journey along the pathway to the left of the Cogwork Dancers boss arena. Critical note: You must defeat the Cogwork Dancers before the Green Prince will appear here. This boss battle demands precise timing and pattern recognition – practice their attack sequences in the training grounds if available.
Advanced Strategy: Complete the Choral Chamber encounter first, then proceed to defeat the Cogwork Dancers. This sequence ensures both NPC spawn conditions are met efficiently. Allocate approximately 20-30 minutes for the boss fight preparation and execution.

After completing both Citadel encounters, you’ll find the Green Prince within the Verdania Ruins. However, accessing the true hidden area of Lost Verdania requires progression into Act 3 to obtain the Elegy of the Deep song for your Needolin instrument.
Mechanics Explanation: The Elegy of the Deep functions as an environmental interaction tool, allowing you to resonate with specific ancient structures throughout Pharloom. This ability is essential for revealing hidden pathways and activating dormant mechanisms.
Acquisition Path: The song is typically earned by completing the “Melody of the Abyss” quest chain or discovered in the Sunken Sanctuary’s deepest chamber.
Optimization Tip: Before pursuing the Elegy, ensure your Needolin is fully upgraded through the Musician’s Guild quests. This enhances the song’s effectiveness and duration, making Lost Verdania’s puzzles significantly more manageable.

With the Elegy of the Deep in your repertoire, return to Verdania Ruins and locate the ancient archway adorned with musical symbols. Playing the song near this structure will trigger a resonance effect, causing the gateway to Lost Verdania to materialize.
Area Challenges: Lost Verdania presents unique environmental hazards including temporal distortions, echo-based enemies, and platforming sections that require precise musical timing.
Reward Analysis: Completing this hidden area grants access to exclusive items including the Verdant Crest charm, the Ancient Needle weapon upgrade, and several lore tablets that expand upon Pharloom’s history.
Time Investment: Allocate 45-60 minutes for thorough exploration of Lost Verdania, accounting for puzzle solving, combat encounters, and secret discovery.



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