The Kings and the Truth

When The Mystic offers Regis a chance to save Insomnia he doesn't refuse however he discovers the truth of the Lucii.

Willing to save his city and his country, Regis will do everything in his power to protect his son from the dreaded fate that awaits him. Not only is the former king willing to do what it takes for his kingdom and his son, he's willing to fix what his ancestor has caused.

With a simple yes Regis Lucis Caelum CXIII is sent into the past before he accepted the trap of peace offered by Niflheim.