Kai, having witnessed the transformed state of his world and the passage of time, decides to embark on a personal quest to find remnants of his old family.

However, as he searches through the ruins and remnants of once familiar places, Kai is confronted with the harsh truth – a thousand years have passed since his death.

Overwhelmed with a mix of grief and nostalgia, Kai reflects on the drastic changes that have occurred during his absence.

In his solitude, Kai makes a solemn vow to honor the memory of his family by protecting the world they once lived in.