Hakase

A legendary figure from centuries ago, this brilliant yet often mocked engineer is frequently remembered by derogatory titles like the "Idiot Inventor." Originally a reincarnated soul from modern Japan, he was transported to a prehistoric fantasy realm to lead the crusade against the era's Demon King. Although his physical presence is long gone, his profound legacy and personal history remain accessible through the fragmented, insightful entries found within his ancient research diaries.