In this guide, I'll go into more Iroi build details, offering budget-friendly alternatives for F2P players. There's no doubt that Iroi's best Arc is her signature Arc in NTE. Related Best Chaos Build In NTE Discover how to build Chaos in NTE with the best Arc, Cartridge set, and Module setup to maximize his Lakshana DMG and Crit stats in combat. As a support in NTE, it's better to build Iroi with a supportive Cartridge set, like the Speedy Hedgehog set. Iroi Best Modules SetImage Via GameRant; Source: Hotta StudioIroi gets 10% ATK whenever you build her with a Type III Module.