Ultimate Ajax

Written guideUpdate 1.3.35Public0 commentsMobile FortressNO ANCESTOR MODULEBOSSINGMOBBINGEND-GAMESOLOPARTY

Ajax All-in-One Gunner | Mobbing and Bossing (no Ancestor mod)

Ultimate Ajax - by CHRAMOX - Updated Jul 29, 2026

Catalysts12

Energy ActivatorActive

Capacity78 / 85

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Max HP17,112.44(1,749)

Max Shield2,138.92(516)

Max MP323.51(187)

DEF376,435.67(7,435)

Shield Recovery Out of Combat4.88

Shield Recovery In Combat4.08

Module Stats9

Firearm ATK+15%

Skill Power Modifier-15%

Max HP+340.8%

Skill Duration UP+8.8%

DEF+404.2%

Max Shield+115.4%

Skill Effect Range+144%

Skill Cooldown-36.5%

Max MP-6.5%

Reactor + Components15

Non-Attribute Skill Power Boost Ratio+20%

Tech Skill Modifier+20%

Skill Cooldown-7.4%

Skill Duration UP+10.6%

DEF+50639

Max HP+150%

Max HP+914

MP Recovery Out of Combat+2.45

MP Recovery In Combat+0.29

Max MP+159

MP Recovery Modifier+0.16

Shield Recovery Modifier+0.09

Max Shield+283

DEF+25%

Max Shield+11.8%

Arche Tuning19

Max General Rounds Modifier+50%

Max Special Rounds Modifier+50%

Max Impact Rounds Modifier+50%

Max High-Power Rounds Modifier+50%

Firearm ATK+7.2%

Explosive ATK+7.2%

Melee Weapon ATK+7.2%

Advantage Affinity DMG Modifier+31.2%

Hip Fire Accuracy+30.7%

Aimed Shot Accuracy+30.7%

Firearm Critical Hit Rate+11%

Melee Critical Hit Rate+11%

Weak Point Damage+8%

Melee Weapon Piercing Rate Modifier+8

Firearm Critical Hit Damage+12.8%

Melee Critical Hit Damage+12.8%

Max HP+51.8%

HP Recovery Modifier+9.2%

DEF+76.2%

Inversion Reinforcement6

DEF+42.8%

Max Shield+40.5%

Firearm Critical Hit Damage+29%

Skill Power+9%

Enemy Damage Taken+5.2%

Skill Duration UP+10.4%

Supply Fortress

Trigger

3

Mobile Fortress

Level 11

6

Shot Focus

Level 6

8

Battle of Stamina

HP

Level 11

8

Shield Conversion (DEF)

Defense

Level 11

8

Defense Expansion

Range

Level 11

8

MP Conversion

Control

Level 11

15

Mid-Air Maneuvering

Level 11

5

Agony

MP

Level 6

8

Increased HP

Level 11

8

Increased Shield

Level 11

8

Increased DEF

Level 11

8

Skill Expansion

Level 11

Weapon builds

Weapon 1

Build by xAlisa

ERASER - KaiiZeR971

Weapon 2

Thunder Cage - Build classic

Thunder Cage - kaiizer971

Weapon 3

Crit Build | by xAlisa

Shackles of Mortality - KaiiZeR971

Reactor

External Components

Fellow

Select a Descendant to show its Arche Tuning board.

Ajax All-in-One Gunner | Mobbing and Bossing (no Ancestor mod)

Tips and tricks to build:

Ajax needs to have 320k def and ajax can buff its own DEF so around 300k needed before buff.

this build you can get 347k WITHOUT ancestor mod. but range is nerfed.

Guns:

Mobbing: Eraser

Wall Crasher: Thunder Cage good to go or use Eraser or Shakles.

Skill Rotation (important)

1,2,3,4,1,2,3 in succession then hit a enemy with a skill then shoot it.

time to time (depents skill duration) you need to do 4,1,2,3 and hit enemy with a skill and then shoot it.

by hitting enemy in 1st skill renegates ammo per tick.

by adding "Compulsive impact/high-power rounds" modules to Eraser and piercing light, per tick you get even more ammo.

Ajax All-in-One Gunner | Mobbing and Bossing (no Ancestor mod)

Tips and tricks to build:

Ajax needs to have 320k def and ajax can buff its own DEF so around 300k needed before buff.

this build you can get 347k WITHOUT ancestor mod. but range is nerfed.

Guns:

Mobbing: Eraser

Wall Crasher: Thunder Cage good to go or use Eraser or Shakles.

Skill Rotation (important)

1,2,3,4,1,2,3 in succession then hit a enemy with a skill then shoot it.

time to time (depents skill duration) you need to do 4,1,2,3 and hit enemy with a skill and then shoot it.

by hitting enemy in 1st skill renegates ammo per tick.

by adding "Compulsive impact/high-power rounds" modules to Eraser and piercing light, per tick you get even more ammo.