After reclaiming the helmet, he is greeted by Raiden, who is revealed to be his grandfather, the Moon King, who wants to take Kubo's other eye in order to join his "family" and make him immortal like him.
He is greeted by Raiden. He was reclaiming the helmet. Raiden is revealed to be his grandfather. His grandfather is the Moon King. His grandfather wants to take Kubo's other eye in order to join his "family" and make him immortal like him. His grandfather is the Moon King.