As Genshin Impact's narrative marches toward Snezhnaya and its combat systems continue to evolve, Sandrone, the Marionette and Seventh of the Eleven Fatui Harbingers, is set to become playable in Version 6.7.
Leaked to debut in Version 6.7 with a reworked Superconduct reaction system, Sandrone may be the character that reshapes how Cryo and Electro teams perform in the Spiral Abyss.
In this guide, we break down everything known so far about her lore, leaked kit, expected banner date, constellation value, and how to plan your Primogems.
Genshin Sandrone Character Overview
Here's what we know about Sandrone so far, pulled from in-game lore and reliable leaks.
Sandrone's design leans into a gothic-mechanical aesthetic, complete with a wind-up key on her back and a puppet-like motif that ties directly into her Commedia dell'Arte origins.
Her EN VA, Deneen Melody, is also known for voicing Pandora in Re:Zero, which gives a sense of the character's eerie, controlled vocal delivery.
Genshin Sandrone Lore and Backstory
Sandrone is not originally from Snezhnaya. Her roots trace all the way back to the nation of Justice, Fontaine.
According to the Song of the Welkin Moon Archon Quests, she was created by the legendary Fontaine engineer Alain Guillotin, who modeled her appearance after his deceased sister, Mary-Ann Guillotin.
However, Sandrone has a fully independent AI consciousness and carries no memory of Mary-Ann's life. After Alain's death, Sandrone took his final and most powerful creation, the massive automaton Pulonia, and left Fontaine. She eventually joined the Fatui, earning the codename Marionette and the seventh seat among the Harbingers.
During the Nod-Krai story arc (Versions 6.0–6.3), she was stationed at the Kuuvahki Experimental Design Bureau on Paha Isle, overseeing advanced automaton research under the secretive Palestar Edict. In the story's climax, she stepped in to protect the Traveler and buy time for Columbina to retreat, but Il Dottore destroyed her mechanical core in the fight.
✦ Potential Leaks Leaks strongly suggest her remains will be transported back to Fontaine for reconstruction. A Vision, possibly one left behind by Alain, may be implanted as her new power source. This would explain the shift from her originally datamined Geo element to the now-leaked Electro (or Cryo) alignment.
Genshin Sandrone Character Relationships
Sandrone's interpersonal dynamics with other Harbingers offer a fascinating look at her personality. She is generally reclusive, obsessive about her research, and emotionally unpredictable. Here is a summary of her key relationships:
- Columbina (Damselette)
The two share a complex bond. Columbina was fascinated by the wind-up key on Sandrone's back and persistently followed her around. Despite her complaints, Sandrone showed rare tolerance toward Columbina and ultimately risked her life to protect her. - Arlecchino (The Knave)
Arlecchino describes Sandrone as an extreme research fanatic who almost never appears in public. Many Fatui officers have reportedly never seen her face. - Tartaglia (Childe)
Tartaglia notes that Sandrone seems to dislike him intensely, rolling her eyes every time they meet. Community speculation suggests he may have accidentally damaged one of her automatons. - Il Dottore (The Doctor)
Their hostility is the most extreme among all Harbinger pairs, rooted in fundamental disagreements about scientific ethics. Dottore ultimately destroyed her in combat. - Wanderer (Scaramouche)
When they reunited after the Wanderer left the Fatui, Sandrone responded with icy indifference — reportedly dismissing him with the equivalent of "New phone, who dis?"
These dynamics suggest that Columbina will likely be a core teammate in Sandrone's meta teams, given their narrative connection and kit synergy.
Sandrone Elemental Reaction and Kit Leaks
Sandrone's kit leaks are among the most exciting in recent Genshin Impact history because they point toward a fundamental rework of the Superconduct reaction.
The Stellar Conduct System
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Superconduct (Cryo + Electro) has long been one of Genshin's weakest reactions. A new enhanced reaction called Stellar Conduct appears to be on the way.
✦ Accumulation Phase: Rapid Cryo + Electro reactions build hidden "Stellar Conduct" stacks.
✦ Detonation Phase: Once a threshold is hit, the system unleashes a massive AoE damage instance.
✦ Unique Scaling: Damage reportedly converts a percentage of ATK into reaction damage — an independent multiplier.
This theory is backed by a leaked buff to Diona's C6 in the Version 6.6 beta, which now includes bonus damage for "Stellar-Conduct."
Leaked Skill Breakdown
Elemental Skill
Tap: Deploys Pulonia as a turret firing Electro/Cryo projectiles. Triggers launch additional high-damage rockets.
Hold: Sandrone enters Piloting Mode, gaining Interruption Resistance and replacing Normal Attacks with heavy mechanical strikes.
Elemental Burst
Pulonia: Absolute Dominion
Settles all accumulated Stellar Conduct stacks, launching a barrage of missiles. Incorporates an Arkhe Charge mechanic—empty slots increase missile count.
Energy Cost: 70
The reaction trigger frequency is estimated at roughly once every six seconds, with faster Cryo/Electro application speeding up the detonation cycle.
Sandrone Early Constellation Overview
Based on early leaks, Sandrone's Constellations are designed to progressively unlock more damage and team utility. Here is the current breakdown:
For most players, C2 is the ideal stopping point — it fundamentally changes Sandrone's damage rotation by allowing automatic detonation without relying solely on her Burst.
Sandrone Signature Weapon and New Artifact Set
New Artifact Set: Shattered Illusion in the Shadows
Version 6.6 datamines have revealed a new artifact set that appears tailor-made for Sandrone and other Superconduct users. The leaked set bonuses are:
- 2-Piece Set: ATK +18%
- 4-Piece Set: Superconduct reaction DMG increased by 40%. When attacking an enemy affected by Superconduct, CRIT Rate for that hit is increased by 16%.
The set description also hints at a hidden bonus tied to Snezhnaya content, reading: "Perhaps on the journey to Snezhnaya, one may yet receive blessings from Qosmos..." This strongly suggests an upcoming Stellar Conduct modifier that has not yet been revealed.
For Sandrone, this set allows players to stack ATK% and CRIT stats normally, rather than forcing Elemental Mastery builds. The result is a much smoother build path compared to traditional reaction-based characters.
Signature 5-Star Weapon
Sandrone's signature weapon is still under encryption, but dataminers have projected the following:
- Sub-stat: CRIT DMG (estimated up to 88%)
- Passive Effect: Increases reaction damage based on Stellar Conduct trigger frequency; additionally restores 12–16 Energy upon triggering the reaction, helping offset her 70-cost Burst.
- Estimated DPS Gap: Having her signature weapon may provide a 25–35% damage increase over 4-star alternatives.
Sandrone Ascension Materials
Since Sandrone hasn't entered beta testing yet, her exact ascension materials are unconfirmed. However, every character follows a consistent structure, allowing for solid predictions based on her Electro/Cryo alignment and Fontaine origins.
All Elemental Ascension Gemstone Items
Here is the standard requirement breakdown to take Sandrone from Level 1 to 90:
For Talent upgrades (Levels 1–10 per talent), she will also require:
- Talent Books: Likely from Frostladen Machinery. Estimated total: 9 green, 63 blue, and 114 gold books.
- Weekly Boss: Possibly from the Mechanized Fortress or a new Harbinger encounter.
- Crown of Insight: 3 total for full talent maximization.
Hero's Wit Effects and Basic Information
Rarity: ★★★★
Type: Character Development Item
Effect: Provides 20,000 EXP per book. You will need approximately 419 to reach Level 90.
"These experiences are extremely precious for a pilgrim traveling through Teyvat..."
Safe Prep Strategy: Stockpile Mora, Hero's Wit, and Elemental Gems (Vajrada Amethyst or Shivada Jade) now. Specific boss drops and local specialties should wait for the Version 6.7 beta confirmation to avoid wasting resin.
Genshin Sandrone Best Team Comps
Because Stellar Conduct requires clean Cryo + Electro reactions, traditional Pyro buffers like Bennett may be excluded from Sandrone's teams due to elemental interference. Below are three projected top-tier team compositions.
Team 1: Stellar Conduct Core
This is the highest projected DPS ceiling composition:
Columbina provides massive DMG buffs while Fischl's zero-ICD Electro application ensures rapid Stellar Conduct stacking.
Team 2: High-ATK Survival Comp
This comp focuses on massive ATK buffs and survivability for free-to-play players:
Nicole's kit is designed to buff ATK without interfering with elemental reactions, making her an ideal partner for Sandrone despite being Pyro. For a full breakdown of her abilities, check out our Genshin Impact Nicole preview.
Team 3: Dual-Carry Relay
For players who also own Eula or Wriothesley, a quick-swap comp is possible:
Sandrone deploys her turret and uses her Burst for a nuclear strike, then swaps out for the physical/Cryo carry to clean up.
Genshin Impact Banner Schedule and Pull Advice
Upcoming Banner Timeline
The road to Sandrone runs through several high-value banners. For a complete breakdown of every upcoming banner, see our full Genshin Impact banner schedule. Here is the projected timeline based on community leaks:
This is one of the densest high-value banner stretches in Genshin history. Planning ahead is essential.
Primogem Allocation & Pull Priority
Here is a recommended pull strategy for players targeting Sandrone:
✦ Version 6.6 Priority
Get Nicole first. She is a universal support powerhouse whose ATK buff applies to all elements without interfering with reactions. She slots into Sandrone's teams perfectly. For full details on what's coming in that patch, see our Genshin Impact 6.6 banners guide.
✦ Version 6.7 Strategy
All-in on Sandrone. Reserve at least 160 wishes (hard pity). If budget allows, pulling for Columbina in the same patch is excellent value for Stellar Conduct synergy.
✦ Savings Tip
Skip Lohen if on a budget. Leaks suggest he may enter the Standard Banner soon. Save those Primogems specifically for the limited-run Harbingers.
✦ Snezhnaya Preparation
Plan for 7.0. The Snezhnaya update is expected to introduce Alice and the Cryo Archon. Keep a reserve if these high-impact characters interest you.
Summary
Sandrone is shaping up to be one of the most impactful releases of 2026, combining a compelling backstory, a potential Superconduct overhaul, and a unique summoner-DPS playstyle built around her automaton Pulonia.
The smartest plan right now: secure Nicole in Version 6.6 as your support foundation, then go all-in on Sandrone's banner in Version 6.7. Curious where she might rank? We'll update our Genshin Impact tier list once her final kit is confirmed.
All details in this guide are based on leaks and beta data, so numbers and mechanics may still change. Stay tuned as Version 6.7 beta testing begins.
Ready to pull for Sandrone on day one? Top up Genshin Impact at GamsGo to save up to 25%, and check out our exclusive character booster bundles to help you secure her without breaking the bank.
Sandrone FAQ
Q: When does Sandrone release in Genshin Impact?
Sandrone is expected to debut in Version 6.7, Phase 1, estimated to launch on July 1, 2026.
Q: What element is Sandrone?
Early datamines suggested Geo, but more recent leaks point to Electro — possibly tied to a reworked Superconduct reaction called Stellar Conduct. Some sources also mention Cryo as a possibility.
Q: Is Sandrone a DPS or support?
Based on current leaks, Sandrone is designed as an on-field Main DPS / Sub-DPS who specializes in Superconduct-based teams.
Q: What is Stellar Conduct?
Stellar Conduct is a leaked enhanced version of the Superconduct reaction. Instead of simply reducing Physical RES, it accumulates stacks from rapid Cryo + Electro applications and then detonates for massive AoE damage.
Q: Should I pull for Sandrone or save for the Tsaritsa?
If you are interested in Cryo/Electro meta teams, Sandrone is a high-priority pull. However, the Tsaritsa is expected in Version 7.0 (late 2026). Budget-conscious players should plan to have at least 160 wishes reserved for each character they want.
Q: Who are the best teammates for Sandrone?
Projected top teammates include Columbina (Hydro buffer), Fischl (Electro off-field), Nicole (ATK buffer), and Diona C6 (Cryo support with leaked Stellar Conduct synergy).
Q: Will Columbina rerun with Sandrone?
Yes — leaks suggest Columbina will rerun alongside Sandrone in Version 6.7, Phase 1, making it an efficient patch for building a complete Stellar Conduct team.
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