The First Descendant – How to Unlock Jayber: The Genius Engineer

Welcome to NGB and our guide on how to research Jayber to unlock him as a playable Descendant in The First Descendant! Here you’ll find all the parts that you’ll need to find and/or make to create this Descendant!

Who is Jayber

Jayber is a utility-type dealer who uses turrets. He summons turrets for assault and recovery respectively. When the turrets are enhanced by multi-purpose guns, he can fight more efficiently.

Skills

Active Skills

Skill NameLevel AvailableDescription
Assault TurretImmediatelySummons an Assault Turret. The Assault Turret remains on the battlefield to attack enemies. When hit by a Unique Weapon, it creates a Damage Zone dealing continuous damage to nearby enemies.
Medical TurretLevel 3Summons a Medical Turret. The Medical Turret recovers the HP of allies within the Recovery Zone. When hit by a Unique Weapon, it creates a Taunt Zone, taunting enemies within the area.
Multi-purpose GunLevel 5Equip a Unique Weapon. Hitting a turret with Unique Weapon creates a Turret Zone. Additional hits to the turret within this zone recover the turret’s HP and increase its duration. When hitting enemies, inflicts damage. The cooldown is adjusted based on the number of bullets fired.
ReactivateLevel 7Detonates a summoned turret, granting Overhaul. The self-destruction releases multiple fragments around, dealing Explosion DMG.

Passive Skill

Skill NameDescription
Turret SyncWhen an Assault Turret and a Medical Turret are both summoned, gains Turret Sync.

How to Research Jayber

Before you can research Jayber to unlock him as a Descendant, you’ll need to gather precious materials!

Research Time

16 hours

Research Cost

400,000

Research Material

Jayber Enhanced Cells x1

To make Jayber Enhanced Cells, you must first gather the below materials then research it.

Materials NeededLocation
Hellion x303Fortress – Resource Box / Munition
Reverse Charging Coil x455Fortress – Resource Box / Munition
Insulated Metallic Foil x34Mission Monsters: Kingston – Magister Lab / Kingston – Slumber Valley
Jayber Enhanced Cells Blueprint x1Intercept Battle: [common] Grave Walker (Amorphous Material Pattern: 003); Abyssal Void Fusion Reactors: Kingston Grand Square / Agna Desert The Storage / Fortress Frozen Valley

Jayber Stabilizer x1

To make Jayber Stabilizer, you must first gather the below materials then research it.

Materials NeededLocation
Nanopolymers x363Agna Desert – Resource Box / Munition
Shape Memory Alloy x462Hagios – Resource Box / Munition
Balanced Plasma Battery x43Mission Monsters: Fortress – Heart of the Fortress / Fortress – Quarantine Zone
Jayber Stabilizer Blueprint x1Intercept Battle: [common] Swamp Walker (Amorphous Material Pattern: 044); Abyssal Void Fusion Reactors: Sterile Land Repository / Hagios Corrupted Zone / White-night Gulch Observatory

Jayber Spiral Catalyst x1

To make Jayber Spiral Catalyst, you must first gather the below materials then research it.

Materials NeededLocation
Flectorite x292White-night Gulch – Resource Box / Munition
Carbon Crystal x554Hagios – Resource Box / Munition
Thermal Metallic Foil x26Echo Swamp – Encrypted Storage Box / Precise Encrypted Vault / Ultraprecise Encrypted Vault
Jayber Spiral Catalyst Blueprint x1Intercept Batles: [common] Swamp Walker (Amorphous Material Pattern: 045) / [hard] Frost Walker (Amorphous Material Pattern: 116; Abyssal Void Fusion Reactors: Vespers Ruins / Agna Desert Vermilion Waste

Jayber Code x1

The Jayber Code can be obtained from the following Void Fusion Reactors:

  • Abyssal Void Fusion Reactor – Agna Desert Miragestone Deposit [hard]
  • Void Fusion Reactor – Fortress Frozen Valley [normal]
  • Abyssal Void Fusion Reactor – Sterile Land Restricted Zone [hard]
  • Abyssal Void Fusion Reactor – White-night Gulch Oberservatory [hard]

Additional The First Descendant Guides and Walkthroughs

Make sure to check out our The First Descendant Guides and Walkthroughs main page for a complete listing of all our guides and walkthroughs!

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