Life is unpredictable. Some souls are filled with strife in life, and even in death, their turmoil lingers. Bak takes great pleasure in watching the chaos of these restless spirits and often steps in as a mediator, trying to settle their disputes. Hak may appear indifferent, silently observing from the sidelines. However, he remains steadfast, always by Bak's side, silently supporting him.

◎ Faction: Immortal
◎ Role: Warrior

Bak, originally Xie Bi'an, and Hak, originally Fan Wujiu, were once inseparable brothers who faced great injustice in the mortal world. Despite their wrongful deaths, they remained steadfast and loyal. Moved by their bond, Yama appointed them as Hak and Bak to manage the underworld affairs.