It is said that one day, a man will be called to the edge of the world, to the Temple of the King.
When one hears the black bell ring, he has been chosen.
The last chosen one was Tindomul (aka. The Witch King of Agmar). Unfortunately his soul fell into darkness and he has been long at war with Bayonetta.
The Sword of the King lies in the temple. Due to the fact that Tindomul has never weilded this sword, some say that he was never a rightful king, hence his decsent into darkness.