Best Build for Mona in Genshin Impact

Best Build for Mona in Genshin Impact
Mona is a 5-star Hydro Hydro catalyst character in Genshin Impact. This guide covers the best builds, weapons and artifacts for Mona.

Pros & Cons

  • One of the strongest bursts in the game
    • If damage is invested (not really practical), her Burst offers Upfront damage
  • Great Utility
    • Taunt
    • DMG Buff from burst
    • Can sprint over water
    • Access to TTDS
  • Excellent support for freeze teams
  • Good F2P weapon options
  • Mona's design has technicalities
    • Stellaris Phantasm is known for having specific mechanics
    • Alternate Dashes and Catalyst users are infamous for play-feel
    • Nuke setups can be troublesome
    • Constellation 1 is bugged
  • Moderately expensive
    • Nuke requires high investment
  • Most of her good weapons are from gacha
    • Support Builds generally prefer Favonius Codex
    • Damage Builds prefer 5★ weapons, Nuke build prefers The Widsith
  • Extremely ER dependent

Skills

Ripple of Fate
Ripple of Fate
Normal Attack

Normal Attack
Perform up to 4 water splash attacks that deal Hydro DMG.

Charged Attack
Consumes a certain amount of Stamina to deal AoE Hydro DMG after a short casting time.

Plunging Attack
Gathering the might of Hydro, Mona plunges towards the ground from mid-air, damaging all opponents in her path. Deals AoE Hydro DMG upon impact with the ground.

Mirror Reflection of Doom
Mirror Reflection of Doom
Elemental Skill

Creates an illusory Phantom of Fate from coalesced waterspouts.

The Phantom has the following special properties:

  • Continuously taunts nearby opponents, attracting their fire.
  • Continuously deals Hydro DMG to nearby opponents.
  • When its duration expires, the Phantom explodes, dealing AoE Hydro DMG.


Hold
Utilizes water currents to move backwards swiftly before conjuring a Phantom.

Only one Phantom created by Mirror Reflection of Doom can exist at any time.

Stellaris Phantasm
Stellaris Phantasm
Elemental Burst

Mona summons the sparkling waves and creates a reflection of the starry sky, applying the Illusory Bubble status to opponents in a large AoE.

Illusory Bubble
Traps opponents inside a pocket of destiny and also makes them Wet.
Renders weaker opponents immobile.
When an opponent affected by Illusory Bubble sustains DMG, it has the following effects:

  • Applies an Omen to the opponent, which gives a DMG Bonus, also increasing the DMG of the attack that causes it.
  • Removes the Illusory Bubble, dealing Hydro DMG in the process.


Omen
During its duration, increases DMG taken by opponents.

Passives

Principium of Astrology
Principium of Astrology
Utility Passive

When Mona crafts Weapon Ascension Materials, she has a 25% chance to refund one count of one material out of all the crafting materials used.

Come 'n' Get Me, Hag
"Come 'n' Get Me, Hag!"
Ascension 1

After she has used Illusory Torrent for 2s, if there are any opponents nearby, Mona will automatically create a Phantom.
A Phantom created in this manner lasts for 2s, and its explosion DMG is equal to 50% of Mirror Reflection of Doom.

Waterborne Destiny
Waterborne Destiny
Ascension 4

Increases Mona's Hydro DMG Bonus by a degree equivalent to 20% of her Energy Recharge rate.

Constellations

Prophecy of Submersion
Prophecy of Submersion
Level 1

When any of your own party members hits an opponent affected by an Omen, the effects of Hydro-related Elemental Reactions are enhanced for 8s:

  • Electro-Charged DMG increases by 15%.
  • Vaporize DMG increases by 15%.
  • Hydro Swirl DMG increases by 15%.
  • Frozen duration is extended by 15%.
Lunar Chain
Lunar Chain
Level 2

When a Normal Attack hits, there is a 20% chance that it will be automatically followed by a Charged Attack.
This effect can only occur once every 5s.

Restless Revolution
Restless Revolution
Level 3

Increases the Level of Stellaris Phantasm by 3.
Maximum upgrade level is 15.

Prophecy of Oblivion
Prophecy of Oblivion
Level 4

When any party member attacks an opponent affected by an Omen, their CRIT Rate is increased by 15%.

Mockery of Fortuna
Mockery of Fortuna
Level 5

Increases the Level of Mirror Reflection of Doom by 3.
Maximum upgrade level is 15.

Rhetorics of Calamitas
Rhetorics of Calamitas
Level 6

Upon entering Illusory Torrent, Mona gains a 60% increase to the DMG of her next Charged Attack per second of movement.
A maximum DMG Bonus of 180% can be achieved in this manner. The effect lasts for no more than 8s.

Teams

For a detailed breakdown of the best Mona teams go to the Mona team guide page.

Builds

Freeze Support Build

Mona's damage output in a Freeze team is negligible, so her build focuses on maximizing her team support capabilities.

Talent Priority

Burst
Leveling her burst is important as it increases the duration and damage buff of Omen. Freeze teams can maximize Omen mechanics.

Stat Priority

Main stats: ER/Any/Crit Rate
Substats: Crit Rate/ER
Mona's damage output is not important when built as Freeze support. ER is prioritized for burst uptime and Crit Rate is only needed to trigger the passive of Favonius Codex. Since the goblet's main stat is not relevant, a goblet with high ER and/or Crit Rate should be taken.

Weapon Weapons
Best Weapon

Mona's best option as she can need upwards of 250 ER. Refinements are a blessing

Favonius Codex
Energy Recharge
Star Star Star Star
Windfall
CRIT hits have a 60~100% chance to generate a small amount of Elemental Particles, which will regenerate 6 Energy for the character. Can only occur once every 12~6s.
Weapon Variations
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Wants Refines

The energy refund is nice but only relevant at high refinements. Use this weapon if you need healing or to sub out a healer for a damage support

Gilding
Using an Elemental Burst regenerates 4~6 Energy every 2s for 6s. All party members will regenerate 4~6% HP every 2s for this duration.
Endgame

Mona's Best option at high investment. While Mona's personal damage is low, TTDS + Omen is a very sizable buff

Heritage
When switching characters, the new character taking the field has their ATK increased by 24~48% for 10s. This effect can only occur once every 20s.
Artifact Artifacts
Support

Use this set if no one else in the team is using 4PC Noblesse.

2 Elemental Burst DMG +20%.
4 Using an Elemental Burst increases all party members' ATK by 20% for 12s. This effect cannot stack.
Artifact Variations
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Situationally useful. Even if someone else is using Noblesse, you may not be able to fit your skill cast to properly buff your party.

2 HP +20%.
4 When an Elemental Skill hits an opponent, the ATK of all nearby party members is increased by 20% and their Shield Strength is increased by 30% for 3s. This effect can be triggered once every 0.5s. This effect can still be triggered even when the character who is using this artifact set is not on the field.
Burst Uptime

To further increase her ER, choose any set combination. Prioritize 5* artifacts since they have better scaling and substats.

2 Energy Recharge +20%.
2 Energy Recharge +20%.
2 Energy Recharge +20%.

Nuke Build

This build focuses on using Mona's burst to deal the highest possible damage (one-shot). This build is fairly difficult due to the dynamic nature of Mona's Burst as well as needing an introduction to Elemental Gauge Theory.

Talent Priority

Burst
Since this build focuses on her nuke, leveling her burst is prioritized.

Stat Priority

Main stats: ATK or ER or EM/Hydro DMG/Crit
Substats: Crit/ATK/ER/EM
The main stat of the sands slot depends on the rest of her substats. EM will increase her Vaporize multiplier while ER will increase her Hydro DMG and bonus Burst DMG if she uses 4PC Emblem. Try to maintain a balance between the three stats.

Weapon Weapons
Maximum Damage, RNG
The Widsith
CRIT DMG
Star Star Star Star
Debut
When a character takes the field, they will gain a random theme song for 10s. This can only occur once every 30s.

Recitative: ATK is increased by 60~120%. Aria: Increases all Elemental DMG by 48~96%.

Interlude: Elemental Mastery is increased by 240~480.
Weapon Variations
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Great Consistent Damage
Wandering Clouds
Increases Elemental DMG Bonus by 12~24%. Normal Attack hits have a 50% chance to earn the favor of the clouds. which actively seek out nearby opponents to attack for 15s, dealing 160~320% ATK DMG. Can only occur once every 30s.
Golden Majesty
Increases Shield Strength by 20~40%. Scoring hits on opponents increases ATK by 4~8% for 8s. Max 5 stacks. Can only occur once every 0.3s. While protected by a shield, this ATK increase effect is increased by 100%.
Boundless Blessing
Increases Movement SPD by 10%. When in battle, gain an 8~16% Elemental DMG Bonus every 4s. Max 4 stacks. Lasts until the character falls or leaves combat.
Solar Pearl
CRIT Rate
Star Star Star Star
Solar Shine
Normal Attack hits increase Elemental Skill and Elemental Burst DMG by 20~40% for 6s. Likewise, Elemental Skill or Elemental Burst hits increase Normal Attack DMG by 20~40% for 6s.
F2P Option, not recommended
Mappa Mare
Elemental Mastery
Star Star Star Star
Infusion Scroll
Triggering an Elemental reaction grants a 8~16% Elemental DMG Bonus for 10s. Max 2 stacks.
Artifact Artifacts
Best Set

4PC Emblem is the best set for Mona since ER ends up increasing her burst uptime, Hydro DMG, and Burst DMG. Performs significantly better than any other set combination.

2 Energy Recharge +20%.
4 Increases Elemental Burst DMG by 25% of Energy Recharge. A maximum of 75% bonus DMG can be obtained in this way.
Artifact Variations
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Any Combination

These 2PC set combinations are weaker in terms of damage and burst uptime but are much easier to farm.

2 Hydro DMG Bonus +15%.
2 Elemental Burst DMG +20%.
2 Energy Recharge +20%.
4 Increases Elemental Burst DMG by 25% of Energy Recharge. A maximum of 75% bonus DMG can be obtained in this way.
2 ATK +18%.
2 ATK +18%.
2 Increases Elemental Mastery by 80.
Burst and Support

Use this set if no one else in the team is using 4PC Noblesse.

2 Elemental Burst DMG +20%.
4 Using an Elemental Burst increases all party members' ATK by 20% for 12s. This effect cannot stack.

DPS Build

Mona as a DPS unit is fairly complicated. As a catalyst user, she's reliant on mastering special technicalities to gain a comparative advantage over other options. Mona has DPS potential but veers closer to dedication and mastery rather than "efficiency" and practicality.

Talent Priority

Burst > Normal Attack
Mona's Burst Stellaris Phantasm represents a big part of Mona's value (damage + utility). DPS builds generally focus on Mona's ability to provide Hydro and spacing to provide an advantage in combat allowing some investment into her Normal Attacks.

Stat Priority

Main stats: ATK or ER or EM/Hydro/Crit
Substats: Crit/ATK/ER/EM
The main stat of the sands slot depends on the rest of her substats. EM will increase her Vaporize multiplier while ER will increase her Hydro DMG and bonus Burst DMG if she uses 4PC Emblem. Try to maintain a balance between the three stats.

Weapon Weapons
Best DPS

Not a great weapon/investment but it offers the best damage potential for DPS Mona

Wandering Clouds
Increases Elemental DMG Bonus by 12~24%. Normal Attack hits have a 50% chance to earn the favor of the clouds. which actively seek out nearby opponents to attack for 15s, dealing 160~320% ATK DMG. Can only occur once every 30s.
Crit Stat Sticks

Simply put, the downtime of the weapon passive is mildly concerning for Mona as an On-field character. The damage potential however, especially with refines, allow this weapon to be the best DPS option

The Widsith
CRIT DMG
Star Star Star Star
Debut
When a character takes the field, they will gain a random theme song for 10s. This can only occur once every 30s.

Recitative: ATK is increased by 60~120%. Aria: Increases all Elemental DMG by 48~96%.

Interlude: Elemental Mastery is increased by 240~480.

Solar Pearl like Widsith are crit stat sticks that have good passives for DPS catalysts. Main downside is you can only acquire this in the paid Battlepass.

Solar Pearl
CRIT Rate
Star Star Star Star
Solar Shine
Normal Attack hits increase Elemental Skill and Elemental Burst DMG by 20~40% for 6s. Likewise, Elemental Skill or Elemental Burst hits increase Normal Attack DMG by 20~40% for 6s.

Lost Prayer can be the best weapon if Mona spends at least 8 seconds on the field. Otherwise, it's just another Crit Rate stat stick.

Boundless Blessing
Increases Movement SPD by 10%. When in battle, gain an 8~16% Elemental DMG Bonus every 4s. Max 4 stacks. Lasts until the character falls or leaves combat.
Weapon Variations
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Electro Comps
Hakushin Ring
Energy Recharge
Star Star Star Star
Sakura Saiguu
After the character equipped with this weapon triggers an Electro elemental reaction, nearby party members of an Elemental Type involved in the elemental reaction receive a 10~20% Elemental DMG Bonus for their element, lasting 6s. Elemental Bonuses gained in this way cannot be stacked.
Event-exclusive
Dodoventure!
Normal Attack hits on opponents increase Charged Attack DMG by 16~32% for 6s. Charged Attack hits on opponents increase ATK by 8~16% for 6s.
People of the Faltering Light
Increases Energy Recharge by 24~48% for 10s after using an Elemental Skill.
Useful in Vaporize teams
Mappa Mare
Elemental Mastery
Star Star Star Star
Infusion Scroll
Triggering an Elemental reaction grants a 8~16% Elemental DMG Bonus for 10s. Max 2 stacks.
Artifact Artifacts
Best Set

Emblem is much more universal but if you use Mona's combos the difference will come from the sets substats.

2 Energy Recharge +20%.
4 Increases Elemental Burst DMG by 25% of Energy Recharge. A maximum of 75% bonus DMG can be obtained in this way.

Heart of Depth has the advantage of being farmed with Blizzard Strayer (relevant for Freeze Support Mona).

2 Hydro DMG Bonus +15%.
4 After using an Elemental Skill, increases Normal Attack and Charged Attack DMG by 30% for 15s.
Artifact Variations
Show more
Any Combination

Noblesse Oblige + Heart of Depth is the most competitive providing comparable damage to Emblem at low ER.

2 Elemental Burst DMG +20%.
2 Hydro DMG Bonus +15%.
2 Energy Recharge +20%.
2 ATK +18%.
In Vaporize teams
2 Increases Elemental Mastery by 80.
4 Increases Charged Attack DMG by 35% if the character uses a Catalyst or Bow.

All Hydro Characters

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