This is a Yujin build for normal and hard mode in The First Descendant. Read on to learn Yujin's best builds, how to unlock, basic info, skills, as well as Yujin's exclusive equipment and skins!

Best Yujin Build for Hard Mode

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Descendant Modules						Weapons and Modules
Reactor and External Components						Playstyle Tips
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Yujin Hard Mode Build Showcase

Best Yujin Modules (Hard)

More Modules can be seen by scrolling horizontally.

The build revolves around using Duty and Sacrifice, a map-wide heal that you can cast repeatedly to keep your team's health stable and your buffs up at all times. Remember that heals count as buffs, meaning that this skill fully stacks Passionate Sponsor and Divine Punishment's additional buffs.

The other modules focus on HP Heal, Skill Duration, CD reduction, and MP management. When fully maximized, this build should never let your team die while boosting yourself and your firearms!

Modules Guide: List of Modules

Alternative Descendant Modules for Solo Bosses

Module Change			Explanation
Duty and Sacrifice	>	First Aid Kit	Allows you to heal yourself while alone
Passionate Sponsor	>	Any Elemental Antibody	Increase resistances on specific bosses
An Outstanding Investment	>	Increased DEF	Survivability over more heals
Safe Recovery	>	Focus on Fusion	Increase skill cooldowns over heals

While Yujin is played primarily to support other players, you can solo bosses by utilizing your firearms using this build, which allows you to keep your health at sustainable levels with the First-Aid Kit skill module and slot in additional resistances for survivability!

Alternative Descendant Modules for Mobbing

Module Change			Explanation
Duty and Sacrifice	>	Proliferating Allergy	Allows you to clear mobs with an explosive chain reaction
Passionate Sponsor	>	Focus on Singular	Increases Skill Power and Cooldown over healing buffs
Energy Collection	>	MP Collector	Better energy economy for clearing
Battle of Stamina	>	Maximize Range	Massively increases Skill Range for Proliferating Allergy
An Outstanding Investment	>	Arche Acceleration	Increase Skill Range and projectile speed over heals
Safe Recovery	>	Increased DEF	Increase resistances over heals
Skill Extension	>	Skill Expansion	Increase Skill Range over Skill Duration

Yujin, surprisingly, is arguably one of the better Descendants when it comes to clearing mobs and dungeons. With Proliferating Allergy's explosive effect and x1000 Skill Power scaling, adding Skill Range allows you to clear whole rooms of enemies with a chain reaction!

The additional modules are focused on MP management, CD Reduction, survivability, and Skill Power Modifiers to counteract Maximize Range's negative effect.

Best Yujin Weapons and Weapon Modules (Hard)

Weapon	Substat Priority
Divine Punishment	• Round Per Magazine • Bonus Firearm ATK Colossus (vs. Colossus) • Firearm ATK • Firearm Critical Rate • Firearm Critical Hit Damage • Weak Point Damage
Nazeistra's Devotion	• Round Per Magazine • Bonus Firearm ATK Colossus (vs. Colossus) • Firearm ATK • Firearm Critical Rate • Firearm Critical Hit Damage • Weak Point Damage

Divine Punishment is the best general weapon for Yujin due to the weapon's unique ability, which rewards you for supporting your teammates and debilitating your foes by giving you additional CD Reduction, DEF, and Firearm ATK.

Nazeistra's Devotion can be used as a set-up weapon or your main DPS firearm. When facing bosses solo, this weapon excels better than the Divine Punishment due to its high Critical Hit Rate and Weak Point Damage but low Fire Rate.

Best Divine Punishment Modules

More Modules can be seen by scrolling horizontally.

Since Divine Punishment has low critical values, it is recommended to mod it solely with Firearm ATK and Weak Point Damage to make full use of the additional Firearm ATK percentage buff you get from its unique ability.

While the Divine Punishment sports low DPS, it scales with team play and excels at clearing mobs. Furthermore, you can better cast your skills consistently with the additional cooldown modifiers!

Best Nazeistra's Devotion Modules

More Modules can be seen by scrolling horizontally.

Nazeistra's Devotion will be your main damage on bosses due to the DEF reduction and Special Sight module's ability to further expound on Weak Point DMG. To fully capitalize on this, slot in mods that increase Firearm ATK, Weakpoint DMG,Critical Hit Rate/Damage, and Accuracy to counteract Have Aiming!

While you may be slow to move while aiming, it is not much of a detriment since you are supposed to be positioned far away. If worse comes to worst, you can quickly roll and heal up damage accumulated with Yujin's skills.

Best Weapons Tier List

Best Yujin Equipment (Hard)

Annihilation and Bravery Mixed Set

Equipment	Substat Priority
Materialized Singularity Reactor	• Singular Skill Power Boost Ratio • Skill Range • Skill Cooldown • Non-Attribute Power Boost Ratio
Annihilation Auxiliary Power	• Max HP • MP Recovery Out of Combat
Bravery Sensor	• MP Recovery in Combat • Max MP
Bravery Memory	• DEF • MP Recovery Multiplier • Electric Resistance
Annihilation Processor	• Max Shield • Toxic Resistance

Note that External Components with set bonuses have fixed main stats.

For teamplay and healing, equip a Materialized Mixture Reactor to boost Duty and Sacrifice. For mobbing or solo bosses, equip a Materialized Singularity Reactor to boost Proliferating Allergy or First Aid Kit. For sub-stats, prioritize Fusion/Singular Skill Power Boost Ratio and HP Heal Modifier

For the External Components, this variation will utilize a mixed set between the Annihilation and Bravery set to get their 2-part bonuses while maintaining high survivability. Using this mixed set grants you +5.7% Skill Duration, +1.8% HP Recovery, and +11.9% Max Shields!

For the argument on using the Frozen Heart set instead, our testing shows that the buff given by the set does not apply with Yujin's healing. Otherwise, please provide evidence in the comment section if it works on your end!

List of Reactors

List of External Components

Yujin Playstyle Tips

Yujin Playstyle Tips
Sustain Buffs by Using Different Skills Keep Restructure Serum Active Use Hyperreactive Healing Ground Reactively Set Early First-Aid Kits

Sustain Buffs by Using Different Skills

After stacking up on Passionate Sponsor and Divine Punishment, look to maintain their uptime by using your different skills. The most reliable skill that can sustain stacks is Solidarity Healing, especially if you are sticking close to an immobile DPS like Gley or Freyna!

Keep Restructure Serum Active

Yujin's Restructure Serum is a constant source of healing and a team-wide DPS increase when applied to bosses. Keep it active by waiting until the initial skill is finished, and then reapplying.

With two stacks and enough Skill Cooldown, you can keep Restructure Serum active until the interception is finished!

Use Hyperreactive Healing Ground Reactively

Knowing what faction or boss you will face is key to using Hyperreactive Healing Ground effectively. To utilize this skill, it is paramount to cast it just before an enemy uses a debilitating move to gain immunity from status effects.

For example, when Swamp Walker's toxic rockets inflict a damage-over-time poison, reactively use the skill to remove the status ailment. Doing so allows you to reposition safely without the threat of getting inflicted with a status!

How to Beat Swamp Walker

Set Early First-Aid Kits

If you are using the First-Aid Kit skill module, it is always important to set three near your area right before the boss spawns. Your MP will immediately replenish with each kit as you ensure your safety.
First Aid Kit Module

Best Yujin Builds for Normal Mode

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Descendant Modules	Weapon and Modules
Best Reactor	Best External Components
▲Jump to Hard Mode Build▲

Best Yujin Modules (Normal)

Best Yujin Modules
Arche Acceleration	Skill Speed and Range Increase Modifier +X%
Singular Specialist	Singular Skill Power Modifier +X%
Non-Attribute Specialist	Non-Attribute Skill Power +X%
Skill Extension	Skill Duration +X%, applies only to certain skills for each Descendant
Skill Expansion	Skill Effect Range +X%, applies only to certain skills for each Descendant
Increased DEF	DEF +X%
Increased HP	Max HP +X%
Nimble Fingers	Skill Cooldown -X%

Without any skill modules in the early game, Yujin will rely heavily on Skill Range and Duration to keep his skills online with mobile teammates. Additionally, you will use both Non-Attribute and Singular Specialist to increase Solidarity Healing's recovery.

When alone, look to position from a distance while you apply Restructure Serum. It is recommended to take weapons such as Assault Rifles and Hand Cannons for increased survivability while safely supporting your teammates.

Modules Guide: List of Modules

Best Yujin Weapon and Modules (Normal)

Weapon		Stat Priority
Nazeistra's Devotion		・Firearm ATK ・Critical Hit Damage ・Critical Hit Rate ・Bonus Firearm ATK
Best Modules for Nazeistra's Devotion
Weak Point Sight	Weak Point Damage +X%
Better Concentration	Firearm Critical Hit Damage +X%
Better Insight	Firearm Critical Hit Rate +X%
Rifling Reinforcement	Firearm ATK +X%

Nazeistra's Devotion, being a Hand Cannon given to you as you progress through the main story, is a solid choice for Yujin's support playstyle in the early game. In emergencies, you can even save teammates by replenishing their shields!

The DEF reduction it inflicts also increases the team's damage output by a significant amount! However, do not overlook this "support" weapon since it can deal massive damage while doing solo missions.

Best Weapons Tier List

Best Yujin Reactor (Normal)

Reactor	Stat Priority
Materialized Singularity Reactor	・Skill Range ・Skill Duration

For the earlier stages of the game, equip any Materialized Singularity Reactor you get. It is best to funnel into Singular as the essential healing skills scale off that type.

For the substats, look for Skill Range and Skill Duration to actively support your allies from afar and sustain your skills for much longer!

Reactors Guide: List of Reactors

Best Yujin External Components (Normal)

Set	Set Effect
Tomb Vanguard Set	2-Set Effect: ・Def +25% 4-Set Effect: ・Skill Power +2.6% ・Electric Resistance +6.6%
Substat Priority
Auxiliary Power	・Max HP ・Fire Resistance ・Kuiper Shard Drop Rate Increase Modifier ・Module Drop Rate Increase Modifier
Sensor	・MP Recovery in Combat ・Max MP ・Consumable Drop Rate Increase Modifier ・Character EXP Gain
Memory	・DEF ・Electric Resistance ・Firearm Proficiency Gain Modifier ・Gold Drop Rate Increase Modifier
Processor	・Max Shield ・Item Acquisition Distance Increase Modifier ・Toxic Resistance ・Equipment Drop Rate Increase Modifier

As Yujin's early individual survivability is lacking, slotting in the Tomb Vanguard Set is recommended to bolster your defenses. Furthermore, the set increases Skill Power, directly buffing up most of Yujin's healing!

To get and complete the Tomb Vanguard set, you must defeat the Grave Walker multiple times.

List of External Components

How to Unlock Yujin

Gather All of Yujin's Required Materials for Research

1	Obtain Yujin's Equipment Materials - Part 1 Acquire the Amorphous Material Pattern: Yujin in the Vulgus Strategic Outpost in Sterile Land (Rockfall).
2	Obtain Yujin's Equipment Materials - Part 2 Destroy the Void Fragment to acquire located in Sterile Land (Rockfall). Note: Bunny is required for this mission because of her lightning skills. ▶ How to Unlock Bunny
3	Obtain Yujin's Equipment Materials - Part 3 Defeat the elite enemies at the Void Fusion Reactor void mission in Sterile Land (Rockfall).
4	Secure the Yujin's Code at the Reconstructed Device Interact with the Reconstructed Device upon defeating the elite enemies at the Void Fusion Reactor void mission to obtain Yujin's Code.
5	Secure the Materials for Yujin's Research ・Acquire the Yujin Spiral Catalyst by completing the Vulgus Strategic Outpost mission in Vesper (The Lumber Yard). ・ Acquire the Yujin Stabilizer by completing the Ruins Underground Entrance battlefield mission in Vesper (The Ruins). ・Acquire the Yujin Enhanced Cells by completing The Shelter mission in Vesper (Timberfall).
6	Research Yujin by Talking to Anais Proceed to Anais' location in the Research Institute (Albion) and interact with her to research Yujin with the materials you've gathered from the steps above. ▶ What to Research at the Research Institute

You can unlock Yujin through the Research Institute in Albion. Note that to acquire a Descendant using research, you need all the required items and gold to unlock this character.

Purchase Yujin Using Caliber

Alternatively, you can unlock Descendants by purchasing them in the Shop. This method only requires Caliber, an in-game currency that you can buy with real money. Purchasing Yujin in the Shop instantly unlocks the Descendant, allowing you to skip the item requirements and research time.

Yujin Basic Info & Stats

Yujin Basic Info
Yujin The Gruff Medic	Role	Support
	Element	Non-Attribute
Description
"A healer supporter who uses his select drones to heal allies. He heals allies and grants them beneficial buffs after determining the distance between the allies and him."

Stats

DEF	Max Shield	Shield Recovery	Max MP	Max HP
1674	537	6.2	243	1402

Yujin Skills

Passive Skills

Skill	Type Effect
Stop Overreacting	Significantly reduces the time to rescue allies. Targets rescued by Yujin increases to Max HP for a certain period of time.

Active Skills

Skill	Type Effect
Solidarity Healing	Singular Summons a Recovery Drone that attaches to allies to heal them. Recovers target and increases their ATK through an Accelerant effect upon dismissal.
Restructure Serum	Fusion Fires a Restructure Serum forward, decreasing DEF and inflicting Allergy. When attacking enemies with Allergy, heals nearby allies and grants additional healing to allies who kill the enemy.
Stimulant Spray	Singular Grants Stimulation to allies. While Stimulation is active, incoming DMG is reduced and recovery is received when Stimulation ends.
Hyperreactive Healing Ground	Fusion Heals self and allies, granting Purification and Immunity to remove and prevent debuffs. Additional recovery is based on the number of allies and enemies within range. Yujin is granted Hyper Activity effect, increasing his ATK and skill power.

Yujin Exclusive Equipment

Neutralization Suit

Yujin's Arche is so dangerous that it ranks among the most dangerous toxins that the Magisters have ever quantified. A neutralizer was certainly needed, but with a toxin that could kill on contact, everyone avoided it. But just then, a newly recruited bioengineer volunteered, and before long, he succeeded in developing a substance that neutralized the toxicity of Yujin's Arche. Until then, Yujin was unaware that someone had risked their life to develop the neutralizer. It was only when the suit attached with neutralizing filters, so that Yujin can fully control her toxins, was completed that she learned what happened.

Yujin Skins

Jump to a Skin type!
Head	Body	Back
Chest	Ecive	Full Body
Grappling Hook	Make Up	Spawn

All Yujin Head Skins

Yujin's Encounter with the Unknown	Surgical Glasses	Change of Mood

All Yujin Body Skins

Yujin's Encounter with the Unknown	Rescue Operation	Keep Away
Summer Vacation

All Yujin Back Skins

Baby Panda	Ammo Supply Box	White Rabbit Doll
Bear Cub	Satellite	Albion Rocket
Planetary Projector	Rocket Jet Pack	Double Z Wing
Run, Hamster	Advanced Material Backpack	Pink Salamander
Firefighting Tank

All Yujin Chest Skins

Small Flashlight	HQ Access Card	Old Teddy Bear
Bunny-Ears Strap	Dynamite	Brave Squirrel
Emote Tag	Magister Researcher	Mark of Albion
Recorder

All Yujin Ecive Skins

Continuity	Bio Scan	Heart

All Yujin Full Body Skins

Panda's Adventure

Dinosaur Pajamas

All Yujin Grappling Hook Skins

Special Supply

Advanced Material Engineering

All Yujin Make Up Skins

Medical Android

Complexion: Very Poor

All Yujin Spawn Skins

Magical Moment	Passion	Dismantling and Fusion
Snowman	Beyond the Unknown	Thunder and Lightning
Gale	Big Water Bomb	Wrong Direction

The First Descendant Related Guides

List of All Characters

All Base Characters

Ajax	Blair	Bunny
Enzo	Esiemo	Freyna
Gley	Hailey	Jayber
Kyle	Lepic	Luna
Sharen	Valby	Viessa
Yujin	-	-

All Ultimate Characters

Ultimate Ajax	Ultimate Bunny	Ultimate Freyna
Ultimate Gley	Ultimate Lepic	Ultimate Valby
Ultimate Viessa	-	-

Character Guides

Character Guides
List of All Builds	List of All Ultimate Descendants
All Character Skins	-