In the world of Genshin Impact Tai codename: Kataigida.
Kataigida is the greek word for Thunderstorm and the vision he wields is a unique version of electro where his lightning is actually yellow and blue like his hair and eyes.
The weapon he mainly uses is a lightning spear and he can create thunder storms and move at lightning fast speed with his vision.
He is very skilled and is the 10th Harbinger.
He serves the fatui and is serious about his job most of the time
He uses electro to teleport.