The Rising of the Shield Hero Volume 13

It turns out the mysterious monsters that Naofumi and crew were asked to take care of can be traced back to the legendary beast known as the Spirit Tortoise. Meanwhile, the other three heroes have disappeared. What could they be up to?

A legendary beast awakens, and the Shield Hero must rise to the challenge!
Naofumi and his companions discover that the mysterious monsters they were tasked with handling are connected to the legendary Spirit Tortoise. As they investigate, the other three heroes vanish, leaving Naofumi to unravel the mystery behind their disappearance and the looming threat of the Spirit Tortoise.

With the world on the brink of destruction, Naofumi must forge new alliances and confront powerful enemies. Can he uncover the secrets of the Spirit Tortoise and prevent the impending catastrophe? Perfect for fans of isekai, fantasy adventure, and manga series!