Finally finished the main antagonist of this season, commander Solstice.

A high ranking official of the Valkyrie empire who oversees the operations of its military. He wields his essence rapier named HonorBound. Though he seems like a friendly old man, he secretly has been conspiring with the Null Empire to invade Valkyria.
He directly lead to Lucky’s nullification, and almost his assassination. Lucky, with a seething hatred of this man, has the goal to kill him and prevent a Null invasion of Valkyria.