Rud is a tank, the member of an adventuring party that protects the others by soaking up attacks. When he is kicked out of his party for losing his absorb shield too quickly on a labyrinth raid, he considers what his next move should be.

Rud returns to his hometown of Avancia with Luna in tow and reunites with his sister, who quickly takes to the new addition to the household.

Manicia worries that her illness has prevented her brother from pursuing a more rewarding path in life.

A fearsome chameleon kong is sighted near Avancia, and all the fighters in town band together to take it down. But where did it come from?

After making a powerful new ally, Rud is given a crash course on how to manage a labyrinth. Meanwhile, his newly formed clan is struggling with all the demands being placed on it, so Rud decides an alliance with other clans is needed.

After a successful first raid on Keild Labyrinth, Rud's party returns the following day for a second attempt at clearing it, but they soon find themselves fighting extremely powerful monsters in dangerous uncharted territory.

The battle with the guardian of the Keild Labyrinth commences, but have Rud and his party bitten off more than they can chew?

The homunculi finish construction on the town's new public baths and the adventurers plus Rud and his clan are the first to try them out. Meanwhile, a new threat rears its head on the horizon.

With Avancia's fate hanging in the balance, the final battle between Rud's party and the demon king known as Greed begins.