These builds use weapons and armor that are unlocked by the time you clear Chapter 5 of the story.

Best Fated Adventurer Builds

Weapon
Charge BladeRadiant Kadachi Kaina III
AttackElementAffinitySharpness
276Thunder1381.9%Green
Armor
HeadBone Helm III
ChestRadiant Kulu Mail III
ArmsHigh Metal Braces II
WaistHigh Metal Coil II
LegsRadiant Kulu Greaves III
Active Skills
Kulu-Ya-Ku's Skill (Set)Silence of the Veins (Set)
Morph Boost Lv4Combo Enhancement Lv3
Health Boost Lv1Relentless Pursuit Lv1
Ice Resistance Lv1Insight Lv1
Fire Resistance Lv1Grace Under Pressure Lv1

Maxes out Morph Boost, which pairs well with the Charge Blade. In Axe Mode with Power Axe Mode active, you can meet Combo Enhancement's condition, so go for Power Axe Mode whenever you can.