**Height:** 188 cm He is the former chief and general of the Wind Tribe. He is famously known as Thunder Beast for his fighting skills that were said to be unrivalled by anyone, earning him the title of "strongest soldier in the kingdom".

Spoiler

He is in love with Yona. Even when Yona was unaware of his feelings, every now and then, Hak couldn't help but display his affection towards her.