Gley is a DPS character unlike any other in The First Descendant. What’s unique about her is that she can boost her firearm damage in exchange for HP recovery, making her a more risk-reward DPS character. 

In this ONE Esports guide, we explain the best Gley build in The First Descendant, including details like the best weapon, modules, reactors, and external components. 

If you’re excited to build the best version of Gley in The First Descendant, you’re in the right place. 

Best weapons for Gley in The First Descendant

Best Gley build -- The First Descendant Smithereens
Screenshot by Shreyansh Katsura/ONE Esports

The best weapon for Gley would be the Smithereens ultimate shotgun. Its unique ability can boost firearm critical hit rate and critical damage, which, when combined with the firepower damage boost in the frenzied state, is more than sufficient to take down endgame enemies.

Best Gley build -- The First Descendant Blue Beetle
Screenshot by Shreyansh Katsura/ONE Esports

However, if you prefer long-range gameplay, Blue Beetle ultimate scout rifle is the best weapon for Gley.

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Its unique ability, Arcane Wave, can provide offensive or defensive buff, depending on whether you use Gley’s fusion or singular skill.

Best modules for Gley in The First Descendant

Best Gley build -- The First Descendant Predator Instinct Module
Screenshot by Shreyansh Katsura/ONE Esports
GLEY MODULESMODULE DESCRIPTION
Predator InstinctIncreases firearm attack when frenzied
Focus on SingularIncreases singular skill power. Reduces skill cooldown. 
Singular MasterSignificantly increases skill power. Increases singular skill power. 
Stim AccelerantSignificantly increases max HP. Reduces max MP. 
Skill ExtensionIncreases skill duration.
Strong MentalityReduces skill cost
Nimble FingersReduces skill cooldown
Shock Punch Use a shock punch when performing a charged sub attack. Also increases max module capacity. 
Increase HPIncreases max HP
Increase DEF Increases max Defense
Time DistributionDecreases skill cooldown. Increases max HP. 

The best skill module for Gley is the exclusive Predator Instinct which can increase her firearm attack in the frenzied state. In addition to this, you must invest in modules that increase the efficiency of her skills and improve her defense. 

Like Bunny, Gley has terrible defense, even more so because her health recovery is limited while in the frenzied state. As such, you wouldn’t want to sleep on modules like Stim Accelerant, Time Distribution, Increase HP, and Increase DEF. 

Best reactors for Gley in The First Descendant

Best Gley build -- The First Descendant materialized phase reactor
Screenshot by Shreyansh Katsura/ONE Esports

The best reactors for Gley are the ones that boost her Non-Attribute Singular, and Dimension abilities.

Depending on whether you like using Gley’s Singular or Dimension skills, Materialized Singularity or Materialized Phase reactors would be the best choice. 


Furthermore, by equipping the appropriate weapon type, you can meet the optimization condition and gain a significant boost to skill power. 

Best External Components for Gley in The First Descendant

Best Gley build -- The First Descendant External Components
Screenshot by Shreyansh Katsura/ONE Esports

The best External Components for Gley are the ones that significantly increase her defense and HP recovery so that her survivability isn’t at risk while she’s in the frenzied state.

Hence, we recommend going with the following External Components: 

  • HP Recovery
  • Max HP 
  • Defense

That sums up our Gley build in The First Descendant.

READ MORE: Best Valby build in The First Descendant for big AoE damage and debuffs