Mona Megistus, the enigmatic astrologer from Mondstadt, is one of the standout Hydro characters in Genshin Impact. With her powerful abilities and unique support mechanics, many players wonder: Is Mona worth investing in? In this guide, we’ll break down Mona’s skills, real combat performance, and how to build her for maximum effectiveness — helping you decide whether she deserves a spot on your main team.
Who Is Mona in Genshin Impact?
Mona is a 5-star Hydro Catalyst user known for her high burst damage potential and exceptional team support abilities. Her kit focuses on amplifying damage for the whole team, making her invaluable in high-difficulty content like the Spiral Abyss.
Mona’s Skills Explained
Elemental Skill: Mirror Reflection of Doom
Mona’s Elemental Skill summons a Phantom that:
- Taunts nearby enemies
- Deals continuous Hydro damage every second
- Explodes after 5 seconds, causing AoE Hydro damage
This skill is excellent for crowd control, distracting enemies, and setting up elemental reactions.
Elemental Burst: Stellaris Phantasm
Mona’s Elemental Burst traps enemies in an Omen bubble, applying the Wet status and causing them to:
- Receive increased damage (damage amplification)
- Suffer a burst of Hydro damage when the bubble pops
This powerful ability is the cornerstone of Mona’s support role, massively boosting team DPS during major damage windows.
Why Mona Shines in Real Combat Scenarios
In practice, Mona is more than just numbers on a stat sheet. Here’s why she excels:
- Massive Burst Damage: In Spiral Abyss Floor 12, Mona’s Vaporize reactions can hit upwards of 70,000 damage, even without external buffs.
- Teamwide Amplification: Her Omen debuff increases the entire party’s output, critical for speed-clearing tough content.
- Crowd Control & Mobility: Her Phantom taunts enemies, while her Illusory Torrent dash allows swift repositioning and evasion.
Few other support characters offer this combination of raw burst, amplification, and battlefield control.
How to Build Mona: Best Weapons and Artifacts
Priority Talent Upgrades
Focus on:
- Elemental Burst (highest priority)
- Elemental Skill (secondary priority)
Her Normal Attack scaling is low, so it’s best to ignore it.
Best Artifact Sets
Recommended artifact sets for Mona include:
- Emblem of Severed Fate (4-piece) — Boosts Elemental Burst DMG significantly
- Tenacity of the Millelith (4-piece) — Provides team buffs if you want a more supportive build
Look for sub-stats like Energy Recharge, Crit Rate, Crit Damage, and Hydro DMG Bonus.
Best Weapons for Mona
Top weapon choices:
- Lost Prayer to the Sacred Winds (5-star) — Increases CRIT Rate and movement speed
- Solar Pearl (Battle Pass 4-star) — High CRIT Rate and easy to refine
- The Widsith (4-star) — Offers random but powerful buffs on swap-in
Weapon choice depends on whether you’re focusing on Mona’s personal DPS or full team support.
Is Mona Still Worth Building in 2025?
Absolutely. Mona remains one of the best Hydro support characters in Genshin Impact even today. Her unique Omen debuff is unmatched for maximizing team burst damage, and she synergizes well with Pyro (e.g., Xiangling, Bennett) and Anemo characters (e.g., Sucrose, Venti) for devastating elemental reactions.
Whether you need help clearing Spiral Abyss or boosting your main DPS’s output, Mona can be a game-changer. With proper investment, she is both a valuable support and a respectable sub-DPS.
Final Thoughts: Invest in Mona for Maximum Team Potential
If you’re looking for a Hydro character who can drastically amplify your team’s damage while offering crowd control and mobility, Mona is 100% worth building. Optimize her talents, gear her properly, and she’ll become a core part of your strongest Genshin Impact teams.