Campione!

Kusanagi Godou is entrusted with a stone grimiore by his grandfather to deliver to its former owner, an old friend, in Italy where he encounters supernatural happenings. Meeting the beautiful knight, Erica Blandelli, he is drawn into the battle between rogue gods, and uses the power of the grimiore to defeat the Persian god of victory, Verethragna, gaining his powers, becoming a god slayer, also known as a Campione.

Athena has come to Japan looking for Medusa and for that Godou will have to die, again.

Yuri is growing closer to Godou and sparks of jealousy fly from Erica. But that is the least of problems considering there is a new Campione in Japan.

Voban has caught up and Godou is running out of ideas. Mariya makes the ultimate sacrifice, in front of Erica.

Godou is resting at Lilianas home after his fight with Perseus. He does not have the knowledge to fight Perseus on common ground, Athena visits offering a deal.

A maiden has come willingly to join Godous ranks, but his current Knights have other plans.

Godou must battle Metis, the snake goddess of death and darkness. A being thats only goal is to bring destruction to the world.