Clair Obscur: Expedition 33 Guide | How To Play Lune

In this Clair Obscur: Expedition 33 guide, you're going to learn how to play Lune. She is one of the two characters you get at the very beginning of the game and is arguably one of the most complicated characters to play.

It can be overwhelming when you first start the game, so this guide will not go into any plot points. Instead, it focuses solely on explaining how she works and how to use her to get the best out of her.

Lune's Role

In the world of Clair Obscure: Expedition 33 Lune stands as the team's elemental arch mage archetype. Not only does she have a lot of abilities that hit every target on the screen—a rarity among characters—but she also heals effectively. One key skill she possesses is Rebirth, which allows her to revive a fallen teammate.

This skill is crucial as it makes it possible to stay alive in many fights simply by reviving characters and pairing attacks until you're back on your feet. You are highly encouraged to get the Rebirth skill right away.

Elemental Focus: Fire, Ice, Lightning, and Earth

All of Lune's skills deal fire, ice, lightning, or earth damage—or some combination of these. Even though her weapons may deal physical, light, dark, or void damage with base or free-aim shots, her abilities themselves only ever deal with the four elemental types.

This can limit her effectiveness against enemies resistant to two or more of these elements. Unlike other characters who can switch to different damage types, Lune doesn't have as much flexibility and cycles through elements based on her stains mechanic.

Understand Lune's Stains

Stains are Lune's primary mechanic. Whenever you use an elemental ability, you generate a corresponding stain. For example, using a fire skill gives you a fire stain. These stains empower other skills. This system encourages you to chain different elemental abilities in sequence.

When you mouse over a skill, you'll see what stains it generates on the top right of the tooltip. For instance, the Wildfire skill generates both a fire stain and a light stain. Light stains are special—they can substitute for any element. If a skill needs two fire stains, one fire and one light stain will work.

Certain skills generate light stains consistently, which lets you use the same skill repeatedly if the enemy is weak in that element. Selecting skills that generate light stains is usually ideal.

Each element generally requires a specific other element to empower it. Fire skills use ice stains, ice uses earth, lightning uses fire, and earth uses lightning.

This creates a natural rotation: fire → lightning → earth → ice → back to fire.

This flow guides your elemental sequence in combat, though some exceptions exist. For instance, the powerful skill Hell requires an ice, earth, and lightning stain to reach its maximum potential, suggesting a build-up of at least two or three skills prior.

This rotation does not account for enemy resistance, which may make her less effective in some battles.

Notable Skills

Elemental Trick hits four times—once with each element. If you critically hit with a damage type, you generate a stain of that type. With a high or 100% crit chance, this skill can generate four stains in one use, letting you jump straight to high-tier skills.

Mayhem consumes all your stains to deal high elemental damage. With four stains, you can break the target, skipping its turn. It's AP-efficient and useful when you don't have the right stains for more specific skills.

Elemental Genesis hits all enemies with eight attacks using random elements. It requires one of each stain (with light stains substituting). This is a powerful screen-clearing move, especially effective after using Elemental Trick with a high crit chance.

Weapons

Lune's weapons can alter her rotation effectiveness and AP economy significantly.

BETELIM boosts your damage by 20% per use (stacking to 5) when you use a skill that consumes stains. It resets if you use a skill without consuming stains. At level 10, it gives you two random stains if you start a turn with none, and at level 20, it gives +1 AP when stains are consumed.

COLIM has a 50% chance to generate a light stain when you consume a stain. It also gives +1 AP when consuming a light stain and increases damage of light-stain-boosted skills. This weapon supports consistent empowered skill use.

DEMINERIM makes lightning skills cost 1 less AP, increases their damage, and starts you with a fire stain. It focuses you on lightning and fire, which can be limiting if enemies resist those.

KRALIM increases the damage of all other elements by 20% when you cast a skill. It complements her natural elemental cycling. At level 10, you start combat with two random stains, and at level 20, you gain +1 AP when stains are consumed.

TREBUCHIM lets free-aim shots generate a random stain. You can fire off 1 AP free-aim shots to get needed stains. It also grants +1 AP when consuming stains and lets base attacks generate two random stains—potentially four with certain Luminas.

SCAVERIM has a 50% chance to generate a dark stain when you consume a stain. Dark stains sit on the side and increase skill damage by 50%. They are not consumed and can clutter your stain bar.

You can clear them with base attacks, which deal +200% damage when a dark stain is active, or by casting a skill after fully filling your stain bar with four dark stains, which then deals +300% damage and clears them. This weapon is complex and best used after you've mastered Lune's mechanics.

Pictos and Luminas

Early on, your main limitation is AP. You want to use low-AP skills that need one or two stains to empower. Focus on Pictos and Luminas that increase AP—either by boosting your starting AP, granting AP per turn, or giving AP for actions like free aim shots.

Avoid base attacking unless a weapon explicitly benefits from it. Base attacks don't generate stains, so they can disrupt your rotation.

Attributes

Your weapon determines which stats scale your damage. Since you'll likely switch weapons often early on, it's smart to invest in Vitality, so you survive longer and learn enemy patterns.

Generally, Agility and Luck are useful for all characters. Agility lets you act more frequently, and Luck increases your critical hit chance. If you're unsure, distributing points into Vitality, Luck, and Agility is a safe bet, especially if your weapons scale with them.

Finally…

Lune is a unique, rewarding character who can be tricky to master. Her restriction to four elemental damage types can make her weaker against enemies with specific resistances. But once you understand her flow and manage her stains effectively, she becomes one of the most powerful and versatile characters in the game.

Weapon damage types don't affect her skills much—so focus on building a strong stain rotation and managing your AP wisely.

If you're still figuring things out, stick to simpler weapons and build from there. She's complex but extremely satisfying once you get the hang of her.

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

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