Discover the Best Jayber Build Guide for The First Descendant and how to create a powerful character with Skills, modules, and weapons.
This guide has been updated for Season 1,Hotfix 1.1.0of the First Descendant.

Best Jayber Build Guide for The First Descendant
Jayber is the ideal character for players who want utility in combat, rely less on guns, and enjoy skill-based gameplay. With Jayber, your focus will be on using skills rather than weapons, making him perfect for players who struggle with aiming or who like using turrets. He offers consistent damage and powerful healing, making him a valuable asset to any team.
Jayber is unique in his ability to deploy turrets that either deal damage or provide healing, which is a rare capability in the game. His turrets also ignore armor, giving him an edge in various combat situations. Jayber excels in all types of content, whether it’s boss fights, clearing adds, or leveling. you may customize him for specific scenarios or for versatility, making him a well-rounded and powerful character. The best strategy for building Jayber is to reduce cooldowns, allowing you to keep your turrets active for continuous damage and healing.
Features and Mechanics for Jayber Build in The First Descendant
The following list presents all the essential best Jayber Build guide Features and Mechanics for the First Descendant:
How to unlock Jayber in The First Descendant
To unlock the Jayber character in the First Descendant, you should speak with the Magister Anais in the Albion Mountains to conduct research for materials and 100,000 credits.Below are the required research/crafting materials for Jayber:
Jayber’s Exclusive Equipment
Jayber’s exclusive equipment is his Arche-Sensitive Electronic Network System, which is his network device that is automatically given to the player upon acquisition of the Descendant. You can access it by clicking details in the Descendant menu and customizing the appearance of her suit. Below are the details on Jayber’s Exclusive Equipment:
“Developed to fully utilize Jayber’s ability to send and receive electronic signals using his Arche, this system is a formidable electronic warfare device designed to collect all electronic signals within the range of Jayber’s Arche and relay them directly to his brainwaves, allowing his response time to be less than 0 ms. In particular, due to their unique versatility and responsiveness, dedicated turrets utilizing this system are used in various battle missions. The use of multi-purpose guns that amplify Arche signals gives him an advantage, even against large groups of Vulgus.”

Best Skill for Jayber
Assault Turret is Jayber’s best skill in the First Descendant because it attacks enemies passively and can explode on command. Jayber’s skill kit incentivizes him to have both turrets active to increase ATK power when both turrets are summoned. Moreover, variousTranscendent Modsgive the turrets more power or additional effects.
Jayber wants to maintain both the Assault Turret and Medical Turret by expanding duration with mods and increasing HP via a Multi-purpose gun. As the health becomes low, players will want to activate Reactive to recall the turrets for the AOE explosion. You can also enhance the turret via the multi-purpose gun to do even more passive damage with your turrets. Additionally, the Medical Turret can taunt and force enemy NPCs to attack that turret. Therefore, Jayber can act as a tank, constantly laying down an Assault turret for damage, with a Medical Turret for healing and distractions.

Below are the skills for Jayber build in the First Descendant:
Assault Turret
Assault Turret Features in The First Descendant:
How to Use Assault Turret: the assault turret is the basic damage turret that you launch in the area of enemies. With a 20-second cooldown and 12-second duration, you can maintain high uptime on the Assault Turret. Using another skill, a Multi-purpose gun, you can extend the duration and enhance the damage in non-mobile fights. This makes a great tool when holding objective key points or in a crowded area with many enemies.
Your goal is to balance using the Assault Turret and Medical Turret together. Save your Multi-purpose gun for whichever is about to fade or deactivate so your passive stays active longer.

Assault Turret Enhanced Stats
Medical Turret
Medical Turret Features in The First Descendant:
How to Use Medical Turret: the medical turret acts as a mini tank, healer, and damage boost if the assault turret is activated at the same time. The issue with medical Turret is the long cooldown of 45 seconds and duration of 12 seconds. Therefore, keeping high uptime on this turret is difficult and should be done using the Multi-purpose gun. The taunt radius by default is 5.5 meters, so throw this turret on top of enemies or in a choke point enemies are likely to go through. This will force them to attack, giving you or your allies a break from incoming damage.
Medical Turret Enhanced Stats
Multi-Purpose Gun
Multi-Purpose Gun Features in The First Descendant:
How to Use a Multi-Purpose Gun: The best way to use a Multi-purpose gun is to enhance your turret damage and extend its duration. When active, you switch weapons with three shots. Each shot will extend the cooldown by 15 seconds, so don’t use all of them if you do not need to. Your goal is to first aid the turret you need the most, damage or healing. Second, extend the life of a fading turret to keep your passive active longer if they are both out. Likely this is the medical turret because the cooldown is so long.
Additionally, you can hit enemies with this weapon. Likely, that won’t be as effective as a normal weapon attack, and it’s not worth it because of the extended cooldown of the multi-purpose gun. Therefore, attempt to use the bullets for turrets only to enhance or extend their duration.
Reactivate
Reactivate Features in The First Descendant:
How to UseReactivate: Reactivate is your ultimate long cooldown ability, and it should be used when you need area damage. You gain Overhaul after activating, which allows you to resummon turrets in an already enhanced state. The combo to use this on is waiting for both turrets to be lower in duration and then activating reactive. Depending on your cooldown situation, you should be able to resummon the turrets quickly and take advantage of their enhanced state. From here, use the Multi-purpose gun to extend the duration or keep it enhanced. If done properly, you can combine your skills, summon turrets, enhance them, recall for AOE, resummon, and repeat.
Turret Sync (Passive)
Turret Sync Features in The First Descendant:
How to UseTurret Sync: The best way to use the Turret sync passive is to extend the duration of your turrets using a multi-purpose gun. Your medical turret will likely need an extension, and the bonuses to skills and fire ATK are substantial, so attempt to keep both turrets active when possible.
How to play Jayber in The First Descendant
Jayber deploys two types of turrets: one for damage and one for healing, making him a unique and powerful character in The First Descendant. Jayber’s primary objective is to use both turrets simultaneously. When both turrets are active, the Turret Sync passive increases the attack damage of both the assault and medical turrets. You can then combo this with your Reactive ultimate skill, recalling the turrets to deal damage and boosting their effectiveness for a time.
Cooldowns:Your top priority when gearing Jayber is skill cooldown reduction. Using augments and mods to reduce cooldowns will help you deploy both turrets consistently, keeping them active for continuous damage and support. The turrets act as distractions and provide passive bonus damage and healing, forming the cornerstone of your build.
Enhancing the Turrets:Utilize the Multi-Purpose Gun skill to enhance a turret, boosting its power. Apply this skill situationally, depending on whether you need more damage or healing at the moment.
Boss Fights:In anticipation of a boss fight, save both turrets and deploy them simultaneously to activate the Turret Sync passive. Then, use your ultimate to enhance their effectiveness for a while. Use the Multi-Purpose Gun skill to further boost your turrets, depending on your need for damage or healing.
By focusing on cooldown reduction and effectively managing your turrets, Jayber becomes a versatile and powerful character, capable of both significant damage and strong healing support.
Descendant Modules for Jayber Build
Time Distribution, Amplification Control, Spear and Shield are the best modules (mods) for a Jayber Build in the First Descendant. Your primary goal with mods on Jayber will be to lower the cooldown on your turret skills, and Time Distribution is an excellent choice for this. Moreover, Amplification Control will boost the effect range of those turrets, as well as increase your shields. Finally, Spear and Shield is a fundamental mod for any character’s survivabilty and will increase Jayber’s DEF as well as Skill Power.
In The First Descendant, modules are essential components that enhance and customize your character’s abilities, stats, and overall performance. Modules can be acquired through questing, missions, loot drops, and vendor items. Moreover, you have limited resources to slot mods; therefore, some slots may be empty depending on your chosen setup.
Jayber Best Modules for Leveling
Below is a list of the best leveling mods for Jayber Build in the First Descendant:
Jayber Best Modules
Below is a list of the best mods for Jayber Build in the First Descendant:
Best Reactor Stats for Jayber in The First Descendant
Materialized Phase Reactor is the best choice for Jayber build because it boosts the damage of your Turrets. Non-Attribute and Dimension should be your priority, depending on your transcendent mods. Another choice is Non-attribution and singularity if you use reactive frequently.
In The First Descendant, reactors are powerful enhancements significantly impacting a character’s abilities, stats, and overall performance. Each reactor comes with an “optimal condition,” which requires a specific weapon type to be equipped to activate. Therefore, this should be your primary weapon for the build. They function as core components that provide substantial boosts and unique effects, enabling players to tailor their characters to specific playstyles and strategies.
Weapons for Jayber Build in The First Descendant
The Thunder Cage Submachine Gun is the best weapon for a Jayber Build due to its quick fire rate and Overcharge bonus. Overcharge grants the following special bonus: defeating an enemy prompts that enemy to unleash an electric shockwave, dealing firearm ATK to nearby enemies within 3 meters, with additional damage. The second most important weapon is Greg’s Reversed Fate Tactical Rifle for burst AOE damage. Lastly, look for the Afterglow Sword Sniper Rifle for range damage.
The following guide list shows the best weapon choices for Jayber Build in The First Descendant:
Look for any weapon early that has a fast fire rate up close range while leveling.
Thunder Cage
Thunder Cage features in the First Descendant:
TheThunder Cage Submachineemits an electric shockwave and grants a bonus to damage after a kill. It’s the highest DPS weapon for a Jayber build due to its secondary Overcharge effect and rate of fire. Below are the best weapon mods for the Thunder Cage Submachine Gun:
Greg’s Reversed Fate
Greg’s Reversed Fate features in the First Descendant:
The tactical rifleGreg’s Reserved Fateis best for burst AOE damage with Bombardment at medium range. The AOE damage explodes and causes burn damage. Below are the recommended mods for Greg’s Reversed Fate:
Afterglow Sword
Afterglow Sword features in the First Descendant:
TheAfterglow Sword Sniper Rifleis the best choice for ranged precision weak point damage. Once you trigger Death Propagation, you gain increased reload and damage on weak points. Use this weapon for ranged headshots if possible. Below are the recommended mods for the Afterglow Sword Sniper Rifle:
External Component
Tomb Vanguard and the Annihilation set are the bestexternal componentsfor Jayber because they boost survivability and skill duration. The two-piece Tomb Vanguard gives 25% DEF, making you incredibly durable, while Annihilation increases Skill Duration. Alternatively, you’re able to run four-piece Annihilation or Bravery sets. Regarding stats, prioritize Max HP, DEF, and elemental resistance like Toxic, Chill, Fire, or Electric Resistance. Below are the best External Component bonuses to prioritize for the best Jayber Build guide in the First Descendant:
First Bonus:
Second Bonus
Recent Updates and Changes for Bunny Build
The biggest change and update to Jayber duringSeason Oneis the addition ofInvasionsandInversion Reinforcement. Jayber’s turrets are useful in the new Invasions content, but he will be slow. Players are rewarded for completion time and materials used for the newest DescendantHailey. What you should know is to work towards unlocking the Inversion and completing Invasions to progress this new piece of equipment.
Jayber Story in the First Descendant
Are geniuses born or made? A natural engineer, there are many hypotheses about the origin of Jayber’s ability to wield Arche specialized in electronic warfare.One hypothesis claims that the infectious disease he suffered during his childhood stimulated his cerebral cortex, leading to a dramatic increase in intelligence. Another one claims that the drug administered to treat the infectious disease was actually an experiment conducted by the Magisters to mass produce Arche… Despite the unfounded rumors that continue to go around to this day, he himself had no desire to learn the truth.The reason being, as merely a unit in the war, the origin of his ability was unimportant to him.
Jayber’s Story Continued
For Jayber, who was born in an infectious disease isolation ward, the life support device that let him sleep comfortably and sang nursery rhymes to him, was practically his parent. Jayber grew up having a deep connection with this life support device. When he turned 10 years old, he was able to modify the device himself to connect to an external network and study the world… The moment Jayber was connected to the real world, he was able to understand why the life support device was against connecting to the network. The world was not the happy place that Jayber had dreamed of. It was constantly being plagued by invaders called the Vulgus and threatening entities called the Colossi. He was raised by the Magisters to become a weapon of war, a Descendant with the power of Arche, to combat these threats.
After coming into contact with reality, Jayber gave up on his hopes and dreams; instead, he began to think of himself as a necessary unit for war. Even after becoming an official Descendant, this attitude did not change, and his teammates were no fans of this Descendant who was no different from a machine. However, none of this mattered to Jayber. Geniuses are neither born nor made… Because they, too, are just a unit.
Build Summary – The First Descendant Best Jayber Guide
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