Character
Jack Nelson
Jack Nelson in The Eminence in Shadow (2022), played by Mugihito.
Jack Nelson (ジャック・ネルソン, Jakku Neruson) was the acting archbishop who's secretly the 11th Seat Knight of Rounds of the Cult of Diablos and the leader of the faction operating in Lindwurm, as well as one of the scientists responsible for inventing the Beads of Diablos. He was killed by Shadow when the latter blew up the Sanctuary to destroy Diablos' left arm.
Read more about Jack Nelson on The Eminence in Shadow Wiki at Fandom