By the Grace of the Gods Novel Volume 13 was written by Roy with illustrations by Ririnra.

As Gimul heals from the recent attacks, Ryoma’s life has finally regained some normalcy. Now he sets out for the Sea of Trees of Syrus to fulfill one of his lifelong goals. Along the way, Ryoma happens to reunite with Reinbach—and meet a couple of Reinbach’s old friends, coincidentally headed for the same destination. New magic, equipment, and challenges abound in this chapter of Ryoma’s laidback adventure!