Night King

The Night King is a fictional character from the television series "Game of Thrones," based on George R.R. Martin's "A Song of Ice and Fire" novels. He is the leader of the White Walkers, supernatural beings who can reanimate the dead as zombie-like creatures. The Night King possesses powerful ice magic, allowing him to control the army of the dead and threaten all living it encounters. His purpose is to bring eternal winter and destruction to the realm of the living. As a central antagonist, he symbolizes an existential threat that unites diverse factions to confront a common enemy.