Clair Obscur Expedition 33: Full Esoteric Ruins Guide for 100% Completion ~ HaploGamingChef

Introduction

Looking to wrap up everything in the Esoteric Ruins section of Clair Obscur: Expedition 33? This guide breaks it all down in a clear, step-by-step format so you won’t miss any key items, challenges, or trophies. Whether you're after every single Luminina color, Pictus upgrade, or just trying to survive that frustrating Radiant Beach course, we’ve got you covered.

This guide is crafted for 100% completion—ideal for trophy hunters and explorers who don’t want to leave any loot behind. We’ll walk through enemy locations, puzzle solutions, important pickups, merchants, and exactly what you need to complete the labyrinth and side quests.

🎮 Starting Out: Reaching the Esoteric Ruins

Getting There

Once you’ve cleared Monaco Station, your next destination is Alt Luminina—but not just yet. For now, head to the left section of the map. You're aiming for the Esoteric Ruins, a side area packed with loot, enemies, and upgrade items.

Start by moving forward to encounter a small group of enemies. Take them out to receive:
- A Pictus upgrade (boosts armor duration)
- A Weapon upgrade (important for future fights)

Icy Climb and Forest Exploration

After collecting the drops, turn left and scale the icy mountain.
Push forward through a narrow path until you reach a small forest zone.
Look in the corner on the left to pick up a Luminina color.
Continue through another passage on the left to reach the Radiant Beach checkpoint.

⚠️ Radiant Beach Trial: Tough but Rewarding

Obstacle Course Tips

The Radiant Stand Trial here is no joke. Think of it as an obstacle course that punishes even the smallest mistakes.

The goal? Complete the challenge once to unlock a new outfit and fulfill part of a trophy requirement.
If you fall, don’t stress—you can always retry later. Just make sure you complete all Radiant Stand trials for 100% progress.

✅ Shortcut Tip: After your attempt, activate the nearby shortcut to quickly access this area again without replaying the entire route.

🌲 Forest Route and Hidden Merchant Finds

Back Into the Woods

Once the Radiant Beach trial is done (or skipped for now), backtrack a bit and re-enter the forest on your left.

Fight the group of enemies inside this area to collect:
- A Ceramic Foot item
- Another Weapon upgrade
After the fight, turn back and move toward the merchant found nearby.
- This merchant offers:
  - A new weapon: Stellar Room
  - Hair accessories: Hair Buns and Ponytail

Don’t skip this stop—these upgrades and cosmetics contribute toward multiple trophies.

📖 Secret Passage and Diary Discovery

Hidden Collectibles

Keep heading left past the merchant into a secret passage.

Inside, you’ll find:
- Another merchant (buy all his stock)
- A new clothing item: Skirt
- An Expedition Diary – specifically Diary Corner 47

This area is crucial for trophy completion, so make sure to loot everything. Then, continue toward the next group of enemies nearby.

One enemy drops:
- The Dancas Foot
- A new Pictus: Burning Death
  - Bonus: +25% fracture damage to burning enemies

Next, we’ll handle the big stone monster, enter the Esoteric Ruins side mission, and break down the puzzle mechanics.

🪨 Big Enemy Fights and Bonus Upgrades

Tough Encounters Ahead

As you follow the main path around the left side of the map:

You’ll run into a large stone monster. Take it down to earn:
- Another Foot upgrade
- A new Pictus improvement
After the battle, look around the area for another Luminina color, typically near a marked spot on the map.

Then, move toward the large sword landmark and turn left into an alleyway. This leads directly to the Esoteric Ruins side mission.

🏛️ Entering the Esoteric Ruins & Solving the Puzzle

First Steps Inside

As soon as you enter, you’ll face a dialogue choice with a ghostly figure.
- Choose any answer—your response doesn’t impact progress.
Walk past the checkpoint and climb along the cliffside path.

Puzzle Mechanics

You’ll come to a large door that requires solving a three-piece puzzle. Here’s where to find the parts:

Piece 1: Near the statue in the lower area
Piece 2: Directly across from the statue, in the opposite corner
Piece 3: Hidden in a corridor to the right (easily missed—check carefully)

Once all three are collected, return to the door and unlock it. You’ll earn about 5,000 Chroma as a reward.

✅ Tip: After solving the puzzle, jump down to reach the next area quickly.

Up next: tackling the Esoteric Labyrinth with step-by-step puzzle actions and unlocking more hidden loot.

🌀 Navigating the Labyrinth: Step-by-Step Puzzle Guide

Entering the Maze

Once inside the labyrinth, it’s easy to get disoriented. Follow this exact sequence to make it through without doubling back.

First Room:
- Shoot the glowing mechanism to open the passage on the left.
Second Room:
- Enter left, turn around, shoot the same mechanism again to unlock the next area.
Third Room:
- Keep flying right until you reach the third chamber.
- Shoot back toward the middle room to unlock the final gate.

At this point, don’t touch anything else—just fly straight through and exit the labyrinth.

🔦 Post-Labyrinth: Hidden Loot and Quest Completion

Collect Final Items

After leaving the maze:

Head left to pick up another Luminina color (you’ll see a purple glow).
From the statue, fly right and look for wooden planks on the ground.
- These are for a side quest you started earlier involving a blue orb.

Return to Blue Orb Location

Use your grappling hook to climb the rooftops and make your way back to the puzzle’s starting area.
Drop down or descend using ropes.
Hand the wooden planks to the orb to complete the quest and receive:
- A new Pictus: Protective Healing

✅ Important: Let the NPC live to properly close out the quest.

Up next is the final wrap-up with directions for leaving the ruins and prepping for Alt Luminina.

🚪 Exiting the Esoteric Ruins & What’s Next

Final Steps

Once you've handed off the wooden planks and finished the orb quest:

Use the grappling hook or return to the last checkpoint to head back up.
From there, exit the Esoteric Ruins and return to the world map.

🎯 Checklist Before Leaving:

✅ All Pictus upgrades collected
✅ All Foot and Weapon upgrades obtained
✅ Diary 47 picked up
✅ Radiant Beach trial completed (or noted for return)
✅ Labyrinth puzzle solved
✅ Side quest with the orb fully finished
✅ All Luminina colors in this section secured

Once you’re back on the main map, head toward Alt Luminina, which is your next main objective.

✅ Completion Summary: Esoteric Ruins

Area Cleared: Yes
Quest Completed: Yes
All Items Collected: Yes (if you followed each step)
Trophy Progress: Advanced (Radiant trials, Diaries, Pictus, and Weapon Upgrades)

This wraps up the Esoteric Ruins section in Clair Obscur: Expedition 33. Make sure you’ve activated all shortcuts and checkpoints for easy revisits.

❓ Frequently Asked Questions

Q: How do I complete the Radiant Beach obstacle trial in Expedition 33?
A: Head to the Radiant Stand checkpoint, then carefully work your way through the tall and lengthy obstacle course. Completing it earns you a new outfit and is required for unlocking a trophy.

Q: Where can I find Diary Corner 47 in the Esoteric Ruins?
A: After reaching the second merchant in the hidden forest passage, turn around to find a secluded room. Diary Corner 47 is on a shelf inside.

Q: How do I solve the door puzzle in the Esoteric Ruins?
A: Find three hidden pieces: one near the statue, one in the opposite corner, and one in a narrow right-side corridor. Once placed correctly, the door will open, granting access to valuable chroma.

Q: What reward do I get for finishing the blue orb quest?
A: After giving the wooden planks to the blue orb, you receive the Pictus “Protective Healing.” Make sure to let the NPC live to complete the quest properly.

Q: Is the labyrinth in Esoteric Ruins mandatory?
A: Yes, if you’re aiming for platinum. It contains valuable items and another Luminina color. The puzzle can be tricky but is fully skippable later if already cleared once.

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