Clair Obscur: Expedition 33 Guide | How To Get To Clea and Simon Secret Boss Fights

Track down and conquer Clair Expedition 33's two toughest secret bosses—Clea and Simon—in this endgame challenge guide.

Game Guide by Monarch on May 06, 2025

Unlocking the Clea Boss Fight

If you've been looking for where to find the Clea and Simon boss fight and want to get started, you need to progress to Act Three or towards the end of the game. At this stage, you must have already unlocked flying with Esquie. Once you're able to fly, you need to head to Flying Manor. When you arrive at Flying Manor, there's a sequence of enemies you have to defeat to gain access to Clea.

Fly over to the location, and once you land, you'll see that you need to go through four different chambers. Each chamber holds one enemy, and once you take out an enemy, the area will light up in purple, pink, or sparkle—indicating that you've cleared it. These chambers are positioned in four directions—each in a corner of the area.

Take down all four enemies, and once that's done, a large door will open. Go through that door, and you'll find Clea waiting for you. You'll then be able to fight and take her down. There's also a fast travel point here, so once you're done, you can exit easily and head back to the main continent.

Clair Obscur: Expedition 33, PC, Gameplay, How To Get To Clea and Simon Secret Boss Fights, Screenshot, NoobFeed

Finding Simon: The Final and Toughest Challenge

Now let's talk about Simon, who is arguably the toughest boss fight in the game. Simon is especially challenging because he has the unique ability to take your shields away. This makes him a devastating opponent and the final true test of your skills.

To find Simon, go to Renoir's Drafts. You'll see it on the map, located near the area marked by visages or masks, just on the right side. Be aware that you probably need to have beaten the game or reached the very end to unlock access to this location.

From there, make your way through the level all the way to the end. You'll notice balloons and eventually encounter a large warehouse or wooden shed-like structure. Push forward past that and head to the right. Continue moving through this path until you come across a large glowing portal. This portal is where Simon resides.

Once you go through that portal, you'll be transported into what feels like the abyss. It's a terrifying, dark area that sets the stage for your showdown with Simon. There's no going back now—this is the climax of the game.

If you're having trouble defeating him, you might want to check out some specific builds that can give you an edge. When you're ready, step off the cliff, fall into the arena, and face Simon head-on. No need to worry about fall damage or jiggle physics—just jump in.

Simon is designed in a way that clearly takes inspiration from Elden Ring, both in visual style and mechanics. The fight feels like a true final boss battle, testing everything you've learned up until this point. Once you beat him, you've essentially completed the game.

That's it. You've now found both Clea and Simon and taken them on. If this helped, feel proud—you just conquered some of the hardest fights in Clair Expedition 33.

Also, check our Clair Obscur: Expedition 33 Review and other guides below: