I was three hits into a boss fight when the numbers stopped behaving. You feel it too—the match tilts not because of better aim but because of a reaction you didn’t expect. I paused the raid, typed a quick note, and knew this was the new angle everyone will be arguing about.
Genshin Impact Stellar Glimmer Reactions
At a crowded café, I watched players scroll HoYoLAB threads and shout new damage clips at each other.
You’re looking at two fresh reaction families in Snezhnaya that rewrite how Cryo, Electro, and Anemo interact when specific characters are present. These aren’t small tweaks; they create fields and vortexes that reshape team value and let older units shine again.
What are Stellar Glimmer reactions?
Stellar Glimmer is a label for the new conditional reactions introduced in Genshin Impact 7.0. They trigger only when element pairs meet while certain characters are on your team. Instead of a single instant damage tick, these reactions spawn persistent effects—fields or vortexes—that buff allies, debuff enemies, and stack damage over time.
Stellar Conduct
During a livestream I watched, a Sandrone player swapped mid-combo and turned a losing fight into a wipe-free finish.
Stellar Conduct activates when Cryo is struck by Electro damage while a qualifying character (like Sandrone) is in your party. The reaction spawns a Starlight Prism, which projects a Polestar Field. Step inside and your Cryo and Electro DMG are boosted; enemies inside take reduced Physical RES. For many older Cryo and Electro units, that field is the difference between benching and MVP.

Think of the Polestar Field like a spotlight snapping on stage—suddenly characters who were background fixtures score cue-stealing numbers.
How do you trigger Stellar Conduct?
Triggering Stellar Conduct is straightforward: deliver Electro DMG into Cryo affairs while the reaction-holder is on your team. Sandrone already carries this in Luna VIII tests. Common experimental comps pair Sandrone with Odette and Yae Miko, and some players run Odette and Aloysha alongside Sandrone and Yae Miko to thread Electro/Cryo boosts across their rotation. Track threads on HoYoLAB or clips on YouTube for timing windows and animation cancels—content creators are already optimizing inputs.
Stellar Swirl
At my desk I watched an Anemo user keep spinning and the room’s chat go silent as numbers climbed unexpectedly.
Stellar Swirl appears when Cryo meets Anemo while a qualifying character is in the party. Instead of the usual Swirl spread, you get a Stellar Vortex that deals ongoing Cryo DMG and charges through upgraded tiers if you keep retriggering it. Each refresh pushes the vortex toward a final eruption that delivers the highest payoff.

When you stack these hits, the effect accumulates like a snowflake becoming an avalanche—small touches become a single, heavy strike.
How do you trigger Stellar Swirl?
To trigger Stellar Swirl, apply Cryo and then have Anemo interact with it while a Swirl-enabled character is present. Early examples include combos using Odette, Yumemizuki Mizuki, Qiqi, and Faruzan. Faruzan’s Anemo spread and Odette’s Cryo follow-ups are already being tested on Honey Impact and Reddit for sustained vortex uptime strategies.
Practical takeaway: Stellar Conduct favors compositions that want concentrated buff windows for Cryo/Electro scaling, while Stellar Swirl rewards repeated, fast interactions and benefits characters built around Anemo spread and Cryo application. Watch HoYoLAB threads, Honey Impact simulators, and YouTube creators for rotation videos—these tools will speed your lab work more than guesswork.
I’ve seen older Cryo carries jump back into the meta thanks to these reactions, and content creators are racing to refine timings on Twitch and YouTube. Are you going to retool your favorite team or double down on a brand-new Stellar pilot?