The best Anby build in Zenless Zone Zero is all about stunning enemies as fast as possible. The stun agent specialisation is perhaps the simplest in the game; they hit enemies hard, accumulating daze, and triggering a stun so you can chain attack with your other squad mates for extra damage. While stun characters do a bit of damage themselves, it's not their primary focus and that stuff is better left to an attack character.
Anby's playstyle is also absurdly simple. After the third attack in her combo...