Ja Wangnan (자 왕난, Ja Wangnan) is one of the main protagonists of Tower of God: Part 2 - The Return of the Prince. He aspires to be the king of the whole Tower. He values his determination in life more than anyone else's desires. He plans to scale up the Tower's Floors and reach the true top of the Tower, unlike those who have given up. He is currently at 43rd Floor (Floor of Death) together with Rachel and her teams.