Ganyu is S tier for DPS. Ganyu is also a limited 5 star, so act fast when her banner is out. If you want a character who can dimolish hilichurl camps in under a minute, with the right build, then your in luck! Ganyu is considered the strongest character in genshin when properly built and if you give her the right weapons. Even if your AR or level is low, she can really help out your team.
Ganyu's skill is a cryo explosing in which she jumps back and freezes enemies as they take damage while frozen, taking AoE damage.
