Stellar Glimmer Reaction Guide in Genshin Impact

With the arrival of Version 7.0 and the Snezhnaya expansion, Genshin Impact introduced a new family of elemental reactions that veteran players are still wrapping their heads around. Stellar Glimmer is the umbrella term for upgraded Cryo-based reactions, and understanding it is key to building the latest roster of Snezhnayan characters. Whether you're theorycrafting for the Abyss or just trying to make sense of the new tooltips, this guide breaks down what Stellar Glimmer is and how it works.

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What is Stellar Glimmer in Genshin Impact

Stellar Glimmer is not a single reaction but a category that groups together two specific upgraded Cryo reactions: Stellar-Conduct and Stellar Swirl. In simple terms, whenever a character triggers either Stellar-Conduct or Stellar Swirl, the game treats it as if they triggered a Stellar Glimmer reaction.

• Stellar-Conduct is the upgraded version of Superconduct.
• Stellar Swirl is the upgraded version of Cryo Swirl.

This grouping exists to simplify ability descriptions. For example, a character like Odette might have a passive that buffs "Stellar Glimmer DMG" rather than listing both reactions by name. This design choice also leaves room for future Snezhnaya characters to introduce additional upgraded Cryo reactions that would automatically fall under the Stellar Glimmer umbrella.

How to Trigger Stellar Glimmer

To trigger a Stellar Glimmer reaction, your team must include a character who can transform a standard Cryo-related reaction into its Stellar counterpart. As of Version 7.0, only three characters have this ability:

• Sandrone
• Cryo Traveler
• Odette

All three can convert Superconduct into Stellar-Conduct and Cryo Swirl into Stellar Swirl. In other words, they are the enablers for the entire Stellar Glimmer reaction family.

For detailed builds on these enablers, check out our guides on Yae Miko Stellar-Conduct Best Build Guide and Cyno Stellar-Conduct Best Build Guide.

What is Radiance: Stellar Glimmer in Genshin Impact

Radiance: Stellar Glimmer is a state that characters enter when they are affected by either Radiance: Stellar-Conduct or Radiance: Stellar Swirl. This state is the direct parallel to the base Stellar Glimmer category but applied to character buffs rather than reaction damage.

• A character enters Radiance: Stellar-Conduct when their team triggers a Stellar-Conduct reaction.
• A character enters Radiance: Stellar Swirl when their team triggers a Stellar Swirl reaction.
• Entering either state is considered entering the Radiance: Stellar Glimmer state.

This distinction matters for constellation and passive effects. For example, Qiqi's C2 reads: "Radiance: Stellar Glimmer: Qiqi's ATK is increased by 50%." This means the ATK buff activates whenever Qiqi is in either the Radiance: Stellar-Conduct or Radiance: Stellar Swirl state.

Practical Implications for Team Building

For min-maxers, the key takeaway is that any character who can trigger Stellar Glimmer reactions also enables Radiance states for the entire team. This opens up new team compositions where off-field Cryo applicators like Qiqi or Layla can benefit from ATK or DMG buffs tied to Radiance: Stellar Glimmer.

If you're building a team around Odette or Sandrone, prioritize characters who can consistently apply Cryo and Electro (for Stellar-Conduct) or Cryo and Anemo (for Stellar Swirl). The reaction itself scales with the enabler's stats, so investing in ATK and Elemental Mastery on your Stellar Glimmer trigger is crucial.

For more on the new reaction, see our Genshin Impact 7.0 Stellar Swirl Reaction Explained guide.

Veteran's Take: Why This Matters

As a day-one player, seeing HoYoverse formalize a reaction family like this is a welcome shift. For years, Cryo reactions have been overshadowed by Vaporize and Melt. Stellar Glimmer doesn't just buff Cryo—it creates a new design space for future Snezhnaya characters. Expect more units in upcoming patches to interact with this system, possibly introducing upgraded versions of Frozen or even entirely new Cryo reactions.

This is similar to how Dendro was introduced in Version 3.0 and completely reshaped the meta. While Stellar Glimmer is more contained, it signals that HoYoverse is willing to iterate on existing systems rather than just adding new elements.

Conclusion

Stellar Glimmer is the new umbrella term for upgraded Cryo reactions in Genshin Impact, encompassing Stellar-Conduct and Stellar Swirl. Its Radiance counterpart provides team-wide buffs that can significantly boost your party's performance. With only three enablers available so far, now is the time to start experimenting with these reactions before more Snezhnaya characters arrive.

For a full breakdown of the patch, check out our Genshin Impact 7.0 Everwinter Without Mercy: Full Breakdown.