Mongil · Character
Yeonhwa — 4★ Lightning Slayer Build & Guide
Yeonhwa is a 4-star Lightning Slayer in Mongil: Star Dive who fights at melee range, with 5 skills plus the atk_food_material_return life skill and 5 ascension phases. Their canon personality reads as devoted and independent.
Excels in dealing massive damage by exploiting an enemy's opening.
Flower Blooming in Shadow
Mongil Codex community builds
Builds for Yeonhwa
Stats
Skills
PASSIVE
Wraith
Yeonhwa's Crit DMG increases by a portion of her Lightning DMG Boost, but it doesn't increase above a set maximum.
While in combat, a Shadow is generated by her Basic Attack's finishing attack, and only one Shadow may exist on the field at a time.
Shadow
The Shadow follows Yeonhwa's movements when her Support Skill is triggered, and holding the Dodge button will teleport Yeonhwa to the Shadow's location. Yeonhwa's Shadow disappears when Yeonhwa is not in combat.
DAMAGE SCALING BY LEVEL
| Stat | Lv 1 |
|---|---|
| Damage | 0 |
| Super Armor ATK | 0 |
| Super Armor DEF | 0 |
SKILL
Thunder Chain Slash
7.7s
Yeonhwa quickly approaches the enemy and slashes them, dealing Lightning DMG. Pressing the Special Skill button while moving will move the character in that direction while attacking.
The skill can be used an additional time within a set duration after using the skill, but doing so extends the cooldown.
DAMAGE SCALING BY LEVEL
| Stat | Lv 1 | Lv 4 | Lv 7 | Lv 10 | Lv 13 | Lv 16 |
|---|---|---|---|---|---|---|
| Damage | 11,170 | 12,850 | 14,970 | 17,540 | 20,670 | 24,590 |
| Super Armor ATK | 61 | 61 | 61 | 61 | 61 | 61 |
| Super Armor DEF | 500 | 500 | 500 | 500 | 500 | 500 |
NORMAL ATTACK
Bloody Bamboo
Yeonhwa deals Physical DMG by quickly slashing with her bamboo blade. Using her finishing attack during battle generates a Shadow that copies her movements, dealing Physical DMG.
DAMAGE SCALING BY LEVEL
| Stat | Lv 1 | Lv 4 | Lv 7 | Lv 10 | Lv 13 | Lv 16 |
|---|---|---|---|---|---|---|
| Damage | 730 | 840 | 980 | 1,150 | 1,350 | 1,610 |
| Super Armor ATK | 5 | 5 | 5 | 5 | 5 | 5 |
| Super Armor DEF | 30 | 30 | 30 | 30 | 30 | 30 |
TAG-IN SKILL
Seized Opportunity
Yeonhwa quickly approaches the enemy and delivers a sweeping slash with her bamboo blade, dealing Lightning DMG.
[Support Skill]
If a teammate lands a critical hit during combat, Yeonhwa quickly slashes and stabs the target enemy, dealing Lightning DMG and inflicting
Lightning Affliction. Yeonhwa has a set chance of generating a Shadow that does nothing.
If Yeonhwa's Support Skill is triggered while a Shadow is on the field, it will follow her actions once, dealing Lightning DMG before disappearing.

Lightning Affliction
debuff5sAfflicted targets take Lightning DMG over time, and Lightning RES decreases by 15%.
DAMAGE SCALING BY LEVEL
| Stat | Lv 1 | Lv 4 | Lv 7 | Lv 10 | Lv 13 | Lv 16 |
|---|---|---|---|---|---|---|
| Damage | 16,100 | 18,510 | 21,570 | 25,270 | 29,780 | 35,420 |
| Super Armor ATK | 300 | 300 | 300 | 300 | 300 | 300 |
| Super Armor DEF | 50,000 | 50,000 | 50,000 | 50,000 | 50,000 | 50,000 |
ULTIMATE
Storm Call
3s
Using her bamboo blade as a lightning rod, Yeonhwa strikes down nearby enemies with a lightning bolt, dealing Lightning DMG and rendering them Airborne.
Yeonhwa enters the Lightning Strike state for a set duration, causing all attacks to deal Lightning DMG and inflicting
Lightning Affliction on enemies upon landing attacks. Also, a Shadow is generated upon using her Basic Attack which deals Bonus DMG equal to a portion of the attack.

Lightning Affliction
debuff5sAfflicted targets take Lightning DMG over time, and Lightning RES decreases by 15%.
DAMAGE SCALING BY LEVEL
| Stat | Lv 1 | Lv 4 | Lv 7 | Lv 10 | Lv 13 | Lv 16 |
|---|---|---|---|---|---|---|
| Damage | 60,850 | 69,970 | 81,530 | 95,530 | 112,570 | 133,870 |
| Super Armor ATK | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 |
| Super Armor DEF | 50,000 | 50,000 | 50,000 | 50,000 | 50,000 | 50,000 |
Associated gear
Equipment
Artifacts
Canto
Lost Shadow
Hitting an enemy with Yeonhwa's Support Skill decreases a single target's DEF by 25% for Xs.
Secretly
Using Yeonhwa's Switch Skill increases her Crit Rate by 20% for Xs.
Seeping Darkness
The skill levels of the Basic Attack, Switch Skill, Special Skill, and Ultimate Skill increase by 2.
Increases Switch Skill DMG by 6%. (Support Skill and Tag-out Skill excluded)
Commence Operation
Moving to a Shadow's location does not destroy it, and Yeonhwa's next attack's DMG increases by 50%. This effect applies 1 time(s) upon using her Basic Attack, Special Skill, Ultimate Skill, Switch Attack, or Support Skill, then is removed.
Blade Forged of Shadow
The skill levels of the Basic Attack, Switch Skill, Special Skill, and Ultimate Skill increase by 2.
Increases Support Skill DMG by 6%.
Blossoming Shadow
If Yeonhwa's Ultimate Skill is used while a Shadow is on the field, the Shadow can be moved to Yeonhwa's location and copy her moves, dealing Lightning DMG equal to 50% of her Ultimate DMG. Shadows that copy her actions disappear.
Profile
Personality
Yeonhwa can freely manipulate shadows, and she can use them to make copies of herself and swap places with them. While she has no qualms about killing people, she hasn't actually killed anyone yet, simply because Jiwon does not want her to. Without Jiwon to hold her back, any enemy of hers could drop dead at a moment's notice.
Profile
- Birthday
- April 4th
- Height / Weight
- 130cm / 34kg
- Hometown
- Wolha Village
- Likes
- Jiwon, Listening to Jiwon perform
- Dislikes
- Not being able to listen to Jiwon play
Matchups
Comments
Guides featuring Yeonhwa
In-house guides re-tested every patch.
Mongil: Star Dive — Beginner Guide
Adventure map, jumping, gathering and the first-week checklist — every core mechanic the in-game tutorial walks you through, written in one place.
Reroll Guide — Best Targets and Stop Conditions
Best characters to chase on a fresh account, the fastest reroll path, and when the meta says you should stop and commit.
Best Team Comps — Destroyer, Slayer and Flex Slot
How team building actually works in Mongil — the Destroyer + Slayer + flex template the Stagger system rewards, when to break it for element-locked counters, and the Brawler-led sustained-DPS variant.
Combat Basics — Hold Attacks, Switch Skills, Ultimates
Basic attacks, special skills, switch skills and ultimate timing — the hold-input combat system explained without the in-game popup spam.
Frequently asked
- What element is Yeonhwa in Mongil: Star Dive?
- Yeonhwa is a Lightning Slayer character in Mongil: Star Dive.
- What are Yeonhwa's skills?
- Yeonhwa has 5 skills: Thunder Chain Slash, Bloody Bamboo, Wraith, Seized Opportunity, Storm Call.
- How much gold does it take to fully ascend Yeonhwa?
- Fully ascending Yeonhwa costs 460,000 gold across 5 phases, plus ascension materials per tier.
- How much EXP does Yeonhwa need to reach max level?
- Yeonhwa needs 16,707,747 total EXP to reach max level. Use legendary experience books to fast-track levelling.
- What's the best artifact for Yeonhwa?
- Top community pick: Suffocating Darkness (SSR). The detail above lists every compatible Slayer-tagged artifact.
- Should I pull for Yeonhwa?
- Pull when you need a Lightning Slayer for your roster — see the reroll guide for current banner priorities and the community builds below for proof-of-concept teams before committing pulls.











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