Mona Megistus is a playable Hydro character in Genshin Impact.

An astrologist of great skill and equally-great pride, Mona has taken up residence in Mondstadt to avoid incurring the wrath of her master after unwittingly reading the latter's diary.

Profile

Introduction

A mysterious young astrologer who proclaims herself to be "Astrologist Mona Megistus," and who possesses abilities to match the title. Erudite, but prideful. Though she is often strapped for cash and lives a life of thrift, she is resolved to never use astrology for profit... It is this very resolution that has caused her to constantly fret about money.

Description from Official Website[4]

Personality

A mysterious young astrologer who proclaims herself to be "Astrologist Mona Megistus," and who possesses abilities to match the title. Erudite, but prideful.

In-game character attributes text

Mona is unique among astrologers — others may speak with great ostentation for money, but Mona has never done so. Nor does she dress up or mince her words, even if her results are unpleasant to hear: "You won't amount to anything even if you join the Adventurers' Guild." "You've got no chance with him. In fact, he will soon leave you" — such is the nature of her rejoinders.
Her blunt nature has resulted in plummeting numbers of people coming to have their fortunes told. But Mona isn't one to complain, for that just leaves her with more time for her personal research.
But when one speaks of research, one also speaks of the necessity of purchasing texts and research apparatus. Mona's only income comes from her contributions to The Steambird's "All Things Astrological" column. Every paycheck is spent first on her research. Books from Liyue, an astrolabe from Sumeru... all of these come with a hefty price tag, and by the time Mona regains her senses, there's only enough of her income left for her to scrape by each month.
”It matters not. Astrologers must rid themselves of material desires. Only by ridding oneself of clutter can one see the true world around them." So says Mona, coughing loudly all the while to cover the sound of her growling stomach.
Today, too, is another day Mona worries about Mora.

Description from forum announcement[5]

Mona is an astrologist who takes her passion seriously. She is very knowledgeable in this subject in part and respects her master, although it is implied that she is also scared of them. She combines her astrology skills with hydromancy, which makes her a well-known, if still growing astrologist. In part due to her astrology, Mona can tell whether or not a person is lying, can sense their intentions from a single glance, being capable of seeing their fate and is able to accurately deduce a person's traits just from knowing what their constellation is.

Being obsessed with astrology gives Mona a sense of pride, but this also serves as a double-edged sword; any Mora she gets her hands on is immediately spent on astrology-related materials, regardless of its cost. She only realizes too late when she has run out of Mora to meet her daily needs, often going without shelter or food for days on end; in the times that she does eat, she prefers cost-effective foods such as salads. She does not tolerate those who disrespect her.[6]

Appearance

Mona has light skin, a curvy build, and pale green eyes. She also has long black hair which she wears in two pigtails, and wears a compass-like gold earring on her left ear. The ends of Mona's pigtails are decorated with two gold compass ornaments.

Mona wears a purple and black leotard with gold lining. She wears purple sleeves and black gloves, along with a short purple cloak with red lining, buttoned with a compass ornament hanging above her chest. On top of her head rests a purple witch hat, decorated with gold decals, black ribbon and another compass ornament. A similar one is seen wrapped around her right thigh.

Combat Info

Talents

Icon Name Type
Talent Ripple of Fate.png 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.

Talent Mirror Reflection of Doom.png 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.
  • Each second, 4 times, deals AoE Hydro DMG.
  • 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.

Talent Illusory Torrent.png Illusory Torrent Alternate Sprint
Alternate Sprint: Mona cloaks herself within the water's flow, consuming stamina to move rapidly.

When under the effect of Illusory Torrent, Mona can move at high speed on water.
Applies the Wet status to nearby opponents when she reappears.

Talent Stellaris Phantasm.png Stellaris Phantasm Elemental Burst
Mona summons the sparkling waves and creates a reflection of the starry sky, applying the Illusory Bubble status to the 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.

Talent Come 'n' Get Me, Hag!.png Come 'n' Get Me, Hag! 1st Ascension Passive
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.

Talent Waterborne Destiny.png Waterborne Destiny 4th Ascension Passive
Increases Mona's Hydro DMG Bonus by a degree equivalent to 20% of her Energy Recharge rate.
Talent Principium of Astrology.png 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.
Talent Leveling Materials
Character
Talent
Materials
Common
Ascension
Materials
Weekly
Boss
Materials

Constellation

Level Icon Name Effect
1 Constellation Prophecy of Submersion.png Prophecy of Submersion 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%.
2 Constellation Lunar Chain.png Lunar Chain 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.
3 Constellation Restless Revolution.png Restless Revolution Increases the Level of Stellaris Phantasm by 3.
Maximum upgrade level is 15.
4 Constellation Prophecy of Oblivion.png Prophecy of Oblivion When any party member attacks an opponent affected by an Omen, their CRIT Rate is increased by 15%.
5 Constellation Mockery of Fortuna.png Mockery of Fortuna Increases the Level of Mirror Reflection of Doom by 3.
Maximum upgrade level is 15.
6 Constellation Rhetorics of Calamitas.png Rhetorics of Calamitas 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.

Each Constellation activation requires a Stella Fortuna 5 Star Stella Fortuna.

Ascensions

Ascension
Phase
Level Mora Character Ascension
Materials
Local
Specialties
Common
Materials
1 20
40
20,000 None
2 40
50
40,000
3 50
60
60,000
4 60
70
80,000
5 70
80
100,000
6/MAX 80
90
120,000

Base Stats

The character's base stats before and after each Ascension:

Ascension
Phase
Level HP ATK1 DEF Energy Recharge2
0 1 810 22 51
20 2,102 58 132
1 20 2,797 77 176
40 4,185 115 263
2 40 4,678 129 294 8.0%
50 5,383 148 338
3 50 6,041 167 379 16.0%
60 6,752 186 424
4 60 7,246 200 455 16.0%
70 7,964 220 500
5 70 8,458 233 531 24.0%
80 9,184 253 576
6/MAX 80 9,677 267 607 32.0%
90 10,409 287 653

1 Does not include weapon ATK value.
2 Characters get specialized stats starting at Ascension 2.

Availability

Event Wishes

Mona is not featured in any event wishes.

Wish Name

Change History

Released in Version 1.0
Version 1.3
  • Mona's Talent Illusory Torrent was optimized so that she can use it more quickly when hit.

Version 1.2

  • December 28, 2020 - Mona's portrait used in official media was silently updated to feature more details.

Version 1.0

  • Mona was released.

References

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