Start with the supported answer

  • Festering Secret is one of the early side quests (Tales) that players will encounter in the Weeping Creek Valley region of Phantom Blade Zero. — Phantom Blade Zero: Festering Secret Quest Walkthrough（GameRant）
  • Accepted automatically after talking with Forge by walking up to the nearby guards. — Phantom Blade Zero Weeping Creek Valley Collectible Locations
  • all the following tales, as they will automatically fail. — Phantom Blade Zero Crimson Forest Collectible Locations

Sources: Phantom Blade Zero: Festering Secret Quest Walkthrough（GameRant） · Phantom Blade Zero Weeping Creek Valley Collectible Locations · Phantom Blade Zero Crimson Forest Collectible Locations

Detailed checks from the original evidence

  • Players will start the "Festering Secret" quest in Phantom Blade Zero right after reaching the Outpost bell in Weeping Creek Valley. — Phantom Blade Zero: Festering Secret Quest Walkthrough（GameRant）
  • Crimson Forest region, this tale will fail if not completed. — Phantom Blade Zero Weeping Creek Valley Collectible Locations

Sources: Phantom Blade Zero: Festering Secret Quest Walkthrough（GameRant） · Phantom Blade Zero Weeping Creek Valley Collectible Locations · Phantom Blade Zero Crimson Forest Collectible Locations

Scope and unresolved details

  • This page reflects launch-period sources checked on 30 October 2026. A later patch can change exact values, menus or quest availability.
A cloaked warrior faces a suspended figure beneath a paper-strung tree in Phantom Blade Zero.
Steam store screenshot · visual context only.

Sources & scope