Explore every secret in Yellow Harvest in Clair Obscur: Expedition 33. Here’s a full walkthrough covering all weapons, collectibles, journals, and boss fights so you don’t miss a thing.
Yellow Harvest 100% Walkthrough – Clair Obscur: Expedition 33
Yellow Harvest is a deceptively complex sub-region tucked away northwest of the Hidden Gestral Arena, accessible only after recruiting Esquie. While it might appear linear, its branching paths and secret encounters make it easy to miss valuable rewards. This guide will walk you through every item, collectible, and boss in the area so you can clean it out completely.
🚪 How to Enter Yellow Harvest
- Recruit Esquie to your party
- Head northwest of the Hidden Gestral Arena
- Use Esquie’s ability to break rocks blocking the entrance
- Activate the Entrance Expedition Flag
🧭 Yellow Harvest Collectibles & Bosses Guide
🪓 Weapon: Gaulteram
- Flag: Entrance
- Head past the Gestral NPC to a fountain clearing
- Defeat the first Gault enemy to get the Gaulteram weapon
Already defeated? He won’t drop it again.
🌈 Colour of Lumina #1
- Flag: Entrance
- At the fork after the fountain, take the left path at the grappling point
- Drop down to find the collectible on a small ledge
📍 Harvester’s Hollow Expedition Flag
- From the fountain, take the right path at the grappling point
- After grabbing some Chroma, drop off to unlock the flag
💣 Pictos: Death Bomb
- Flag: Harvester’s Hollow
- Hug the right wall to find a tent in a narrow path
- The Death Bomb Pictos is right in front of it
Effect: Deal damage to all enemies upon death
📖 Expedition 38 Journal
- Flag: Harvester’s Hollow
- Take the ramp near Death Bomb and continue to a large open area
- Find the journal near two fallen Expeditioners
🛍️ Merchant: Pinabby
- From the journal area, look for a grapple point (top-right)
- Leads to Pinabby, who sells and fights
Fighting him adds new Pictos to his stock.
Pinabby’s Stock Highlights:
| Item | Price |
| Auto Death (Pictos) | 5,320 |
| Teamwork (via fight) | 9,120 |
| Wavy (Lune Haircut) | 1,000 |
| Recoat (Rare) | 10,000 |
📖 Expedition 44 Journal
- Flag: Harvester’s Hollow
- Keep moving forward past Pinabby’s grapple route
- Found near Nevron carcasses
🎭 Mime + Braid Haircut (Maelle)
- Nearby Expedition 44 Journal
- Enter a small cave to the right to find a Mime
- Defeat it to unlock Braid haircut for Maelle
👦 Young Boy NPC
- Flag: Harvester’s Hollow
- Head left from the flag, defeat the enemy, and grapple left
- Leads to a Young Boy NPC—part of an ongoing world quest
⚔️ Weapon: Potierim (Lune)
- Flag: Harvester’s Hollow
- Found by defeating Jar enemies roaming the open area
🌈 Colour of Lumina #2
- Take the central ramp in the open section
- Grapple to a building, then drop from the southwest balcony
- Collect the Colour of Lumina
📍 Yellow Spire Wrecks Expedition Flag
- Continue past the balcony drop to the next area
- Unlocks the Yellow Spire Wrecks fast travel point
📖 Expedition 59 Journal
- Flag: Yellow Spire Wrecks
- Take the left path, journal is by glowing red rocks and corpses
🧊 Boss: Glaise
- Flag: Yellow Spire Wrecks
- Take the right path
- Defeating Glaise grants:
- Plenum (Maelle weapon)
- Energising Attack I (Pictos)
- 3x Polished Chroma Catalyst
- Plenum (Maelle weapon)
Tip: Learn parry timings; he hits hard.
🎈 Hidden Boss: Chromatic Orphelin
- After beating Glaise, instead of moving forward, turn around
- Jump up a platform behind you, drop into a hidden cave
- Approach 3 Nevrons working a hot air balloon to start the fight
- Rewards:
- Kralim (Lune weapon)
- Polished Chroma Catalyst x3
- Colour of Lumina
- Kralim (Lune weapon)
🪙 Final Reward Before Exit
- Grab the Chroma on the ground in the cave
- Exit via the second tunnel back to Harvester’s Hollow
✅ Summary: Yellow Harvest Key Rewards
| Item | Location |
| Gaulteram (Weapon) | Entrance – Fountain clearing |
| Death Bomb (Pictos) | Tent in narrow path |
| Potierim (Weapon) | Open field – Jar enemy |
| Plenum (Weapon) | Glaise Boss |
| Kralim (Weapon) | Chromatic Orphelin Boss |
| Multiple Journals | Expedition 38, 44, 59 |
| 2x Colour of Lumina | Fountain fork / Balcony drop |
| Pinabby (Merchant) | Hidden grapple path |
| Young Boy / Mime NPCs | Side quests & unlockables |
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