Xayah is one of the best champions in League of Legends, with fast and deadly attacks that can absolutely decimate enemies on the Summoner's Rift. In Swarm, she's also a formidable force, capable of clearing waves of enemies with the right build at her side.
Xayah Build Guide (Weapons/Passives/Augments) | LoL Swarm
With her feathers capable of slicing through multiple foes at once, Xayah brings a personal grudge to the fight against Primordians after her former settlement was destroyed by the relentless waves of countless enemies at humanity’s doorstep. Now, she will bring her talents to the Battle Bats as she aids the Anima Squad in defending Earth’s last hope.
If you're ready to help defend humanity, this is the best Xayah build in League's PvE game mode: Swarm.
When she enters the battlefield with her teammates, Xayah has one simple task: deal damage. There isn't much to Xayah's build; your main priority is to deal a lot of damage.