The Elder Scrolls IV: Oblivion

The Elder Scrolls IV: Oblivion, the fourth game in the Elder Scrolls story, is set within the province of Cyrodiil, the heartland and Imperial capital of Tamriel. Emperor Uriel Septim VII is assassinated in flight from his own palace, but just before he dies he passes on to you the mystic Amulet of Kings. The adventure proper begins with the quest to find Uriel's lost and illegitimate son who is the only heir to the throne. In a world where the forces of darkness seek their ultimate dominion over the ranks of man and mer alike, you alone stand between the future of Tamriel and the gates of Oblivion. After the mysterious and untimely death of the Emperor, desperate factions vie for control of Tamriel's throne. With the empire ready to crumble, the gates of Oblivion open and demons march upon the land, laying waste to everything in their path. To turn the tide of darkness the player must find the lost heir to the throne and unravel the sinister plot that threatens to destroy all of Tamriel.