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Valencia

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Hexerei, one of the most unique mechanics added to Genshin Impact in recent updates, introduces special character-to-character synergy that activates when at least two Hexerei members are placed in the same party. Unlike standard elemental reactions or resonance bonuses, Hexerei enhancements drastically change how certain characters function—providing extra effects, new buff windows, improved scaling, and teamwide damage boosts.

These upgrades unlock after completing each character’s “Witch’s Homework” questline, which is generally quick and accessible. If you’re unsure whether these quests are worth doing—or you simply want to know how each Hexerei character transforms once their enhancements are active—this guide breaks down every Hexerei member and what they contribute to your team.

All Hexerei Characters in Genshin Impact

The Hexerei roster includes:

• Venti

• Durin

• Klee

• Albedo

• Mona

• Razor

• Fischl

• Sucrose

When any two or more of these characters are in the same party, their Hexerei upgrades take effect. These changes can dramatically elevate certain team compositions, making Hexerei one of the most impactful team-building layers in Genshin so far.

Below is a breakdown of each member and what their Hexerei-enhanced abilities do.

Venti – Stormeye Expansion & Swirl Damage Scaling

Hexerei upgrades turn Venti into an even more dynamic Anemo enabler.

Elemental Burst Enhancements

When Venti’s Stormeye is active:

• Triggering a Swirl reaction grants the active character +50% DMG for 4 seconds.

• The Stormeye deals 135% of its original damage, boosting its contribution dramatically.

Normal Attack Upgrade

Venti’s arrows convert into Windsunder Arrows, which pierce through enemies and deal higher Anemo DMG.
Landing these shots:

• Extends Stormeye by +1s

• Increases Burst cooldown by +0.5s (max twice per Burst)

Constellation Highlights

• C2 becomes especially strong: higher RES shred, Skill CD reset, and extra Windsunder procs

• C6 provides a massive +100% CRIT DMG bonus against enemies affected by Stormeye

Venti becomes a much more offensive Anemo support in Hexerei teams.

Durin – Dual-Form Buff Amplification

Durin already shifts between two Burst forms—Hexerei supercharges both.

Ascension Passive Upgrade

All effects of Light Manifest of the Divine Calculus are boosted by 75%, turning Durin into:

• A top-tier Pyro debuffer in White Flame mode

• A lethal Melt/Vape trigger in Dark Decay mode

White Flame Mode Enhancements

Triggers after specific Pyro and Dendro reactions:

• Reduces enemy Pyro/Elemental RES by 20% for 6s

• Strong team-wide boost for Pyro and Dendro comps

Dark Decay Mode Enhancements

• +40% Melt & Vaporize DMG, significantly improving his Sub-DPS potential

Durin pairs extremely well with other Hexerei characters who deal damage steadily over time.

Klee – Spark Economy Rework & Charged Attack Power Surge

Klee receives some of the most dramatic Hexerei improvements.

New Hexerei Passive

Klee generates Boom Badges through Normal Attacks, Skills, and Bursts, enhancing Charged Attack damage up to 150% of its base.

Explosive Spark Upgrade

Klee can now store up to 3 Sparks, and they can be triggered:

• Via Skill

• Via Burst

• Through Normal Attacks interacting with Hexerei upgrades

Charged Attacks become stamina-free Boom-Boom Strikes.

Constellation Improvements

• C1 → Bombardment triggers now grant +60% ATK for 12s

• C4 → Explosion triggers even if Klee stays on field and can deal +100% DMG

• C6 → Teamwide Pyro DMG buff, 50% Spark refund chance, and extra Boom-Boom strikes

This makes Klee significantly more viable as an on-field Pyro carry in Hexerei teams.

Albedo – Dual Isotoma System & Massive DEF-Based Team Buffs

Albedo transforms into an elite support in Hexerei compositions.

Elemental Skill Enhancements

Skill hits generate Silver Isotomas, enabling:

• Up to two additional Isotomas

• DEF-scaled bonuses that boost all DMG types by up to 30% for Hexerei allies

Silver Isotomas also function like Solar Isotomas, producing Transient Blossoms.

Ascension Bonus Upgrade

Transient Blossoms now deal extra damage scaling from:

• DEF

• HP thresholds

• Bonus multipliers from Silver Isotomas

Constellation Enhancements

• C1 → +50% DEF boost after Skill use

• C2 → Improved Fatal Reckoning system + off-field detonations

• C4 → Strong Plunging DMG multiplier

• C6 → Fatal Blossom DMG skyrockets when Silver Isotomas shatter

Albedo becomes one of the strongest DEF-scaling buffers in the game under Hexerei.

Mona – Extended Omen Duration & Vaporize Amplification

Mona becomes a universal damage amplifier in Hexerei teams.

Normal Attack Enhancements

Hits generate Astral Glow stacks, which boost Vaporize reaction damage when consumed.

Additionally:

• Normal/Charged hits extend Omen by up to 8 seconds, maximizing burst windows.

Constellation Upgrades

• C1 → All Hydro reactions receive enhanced multipliers, even greater for off-field triggers

• C2 → Free Charged Attack after Burst + partywide Elemental Mastery buff

• C4 → +15% CRIT Rate and +15% CRIT DMG for Hexerei members

• C6 → Charged Attacks reach 200% damage, massively improving her nuke potential

Hexerei pushes Mona toward a hybrid DPS-support role.

Razor – Supercharged Wolf Within & Sigil Overload

Razor’s Hexerei kit drastically strengthens his Electro wolf form.

Burst Enhancement

• Wolf Within’s damage increases by 70% of Razor’s ATK

• Overflowed Electro Sigils summon lightning strikes dealing 150% ATK, restoring Energy

Constellation Skill Upgrade

• Gains extra Sigils even when Burst is inactive

• Sigil consumption grants +10% CRIT Rate and +50% CRIT DMG for 15s

Razor returns as a surprisingly strong Electro carry under Hexerei conditions.

Fischl – Reaction-Based Buff Support (Overload, Electro-Charged, Lunar-Charged)

Fischl becomes a multi-reaction support and buffer.

New Passive

While Oz is active:

• Triggering Overloaded → +22.5% ATK

• Triggering Electro-Charged / Lunar-Charged → +90 Elemental Mastery

Both buffs last 10 seconds for Fischl and the active character.

C6 Upgrade

Extends Oz, increases coordinated attack damage, and doubles the effectiveness of Fischl’s Hexerei reaction buffs.

This pushes Fischl into an elite reaction enabler role.

Sucrose – Enhanced Team Buffing Based on Spirits

Sucrose now functions as a powerful Hexerei-wide damage booster.

New Passive

Depending on the Wind Spirit size:

• Small Spirit (Skill): +5.7% all DMG for 15s

• Large Spirit (Burst): +7.1% all DMG for 20s (Hexerei only)

Constellation Bonus

• Elemental Absorption → +20% Elemental DMG

• Hexerei allies gain an additional +8.57% Elemental DMG Bonus

Sucrose shifts from EM-bot to a genuine versatile buffer in Hexerei comps.

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