The battle starts with you having a Pyro Slime, Electro Cicin, and Pyro Mechanism.
This will help you easily deal with the first wave.
This mine will be useful in the subsequent waves.
After that, you’ll have to balance everything out on the final wave.
Place theElectro Mechanism in the middleonce again with the Cryo Specter near the left flank.
However, your main goal here should be to lose as few units as possible during the fight.
you might place the Cicins on either side.
You cankeep placing your Mechanisms on the right side, especially the Anemo one, to deal AoE damage.
This will let all your units work toward defeating the Electro Cicins while keeping as much HP as possible.
Learn more about the Fatui Harbingers, their names, backgrounds, and how powerful they really are.