Expedition 33: All 135 Bosses Checklist

Track and defeat all bosses in Clair Obscur: Expedition 33 to achieve 100% completion and unlock all achievements.

This comprehensive guide covers every Boss encounter in the game, including mandatory story bosses, optional bosses, Chromatic variants, Mimes, Pétanks, and all DLC bosses from Verso DLC 100 % Checklist.

Each boss entry includes location information and space for your personal notes. Use this checklist to ensure you don't miss any boss fights and track your progress toward complete mastery of Expedition 33's challenging combat encounters.

Verso's Drafts DLC adds 1 main story Boss Osquio, 4 new Chromatic Bosses, a new Mime and 2 other optional Bosses.

Find and track all story and unavoidable bosses in Clair Obscur: Expedition 33 in this table. We list them in order you'll meet them.

Optional non-chromatic bosses, fights from optional areas, Bourgeons, enemies from Flying Manor and others.

This table orders bosses alphabetically. Chromatic Bosses are more complex and difficult versions of basic enemies.

Chromatic Bosses are enhanced variants of regular enemies that pose significantly greater challenges than their standard counterparts. These formidable opponents often feature increased health, enhanced attack patterns, and resistance to certain damage types, requiring players to adapt their combat strategies and master advanced techniques like parrying, jump counters, and elemental weaknesses. Many Chromatic Bosses employ devastating combo attacks and area-of-effect abilities that can quickly overwhelm unprepared players, making them some of the most demanding encounters in Expedition 33.

Defeating Chromatic Bosses rewards players with superior loot compared to regular enemies, typically including powerful weapons like Jarum, high-tier upgrade materials such as Resplendent Chroma Catalysts and Grandiose Chroma Catalysts, valuable Pictos for character enhancement, and multiple Colours of Lumina for skill upgrades. These rewards are essential for late-game progression and achieving 100% completion, making Chromatic Boss encounters highly valuable despite their difficulty. Some Chromatic Bosses also drop unique items like the Anti-Stun Pictos or specialized weapons that cannot be obtained elsewhere in the game.

These bosses are ordered as you meet them in the game.

Mimes are unique optional bosses scattered throughout Expedition 33 that test players' mastery of defensive combat mechanics, particularly parrying and counter-attacking. These challenging encounters often require players to perfectly time their parries to deal damage, as some Mimes are immune to standard attacks and can only be damaged through successful defensive maneuvers. Mimes typically feature aggressive attack patterns with fast, unpredictable movements, forcing players to read enemy tells and react quickly with precise timing to succeed in these skill-based encounters.

Successfully defeating Mimes rewards players with valuable combat enhancement items, including powerful Pictos like Augmented Counter II that improve parrying effectiveness, high-tier upgrade materials such as Resplendent Chroma Catalysts for weapon refinement, and multiple Colours of Lumina for character skill progression. These rewards make Mime encounters highly worthwhile for players seeking to optimize their combat builds and achieve complete mastery of Expedition 33's combat system. The skill-based nature of Mime fights also provides excellent practice for mastering the game's advanced combat mechanics.

These bosses are ordered as you meet them in the game.

Pétanks are elusive, fast-moving puzzle-like enemies that appear as small glowing orbs scattered throughout the game world. Unlike traditional boss encounters, engaging Pétanks requires players to first chase and guide them onto specific illuminated platforms or tiles before combat can begin, creating a unique puzzle-solving element to these encounters. Their high mobility and tendency to flee make catching them a challenge in itself, often requiring players to use Esquie's flying ability or strategic positioning to corner them. Once engaged in combat, Pétanks prove to be formidable opponents with quick attacks and evasive maneuvers.

Defeating Pétanks yields valuable upgrade materials essential for character progression, including Recoat for weapon refinement, Polished Chroma Catalysts for equipment enhancement, and multiple Colours of Lumina for skill upgrades. The Chromatic Pétank, a particularly challenging variant found on The Continent, offers even greater rewards including the Anti-Stun Pictos, Grandiose Chroma Catalysts, and substantial experience points. These rewards make tracking down and defeating all Pétanks highly worthwhile for players seeking to maximize their character's potential and collect all available upgrade materials throughout Expedition 33.