 Obake finally reveals himself while acquiring the notes he needed from Shimamoto's journal, furthering his goals by help in Steamer's capture and acquiring a super magnet by subjecting the team to their fears.In the three-part season one finale "Countdown to Catastrophe", acquiring the power amplifier Hiro made while hijacking Baymax, Obake reveals his goal to recreate the Great Catastrophe and remake San Fransokyo in his image with Hiro as his apprentice.But the Big Hero 6 circumvent the disaster, with Obake resigning himself as his underwater base crumbles from the shockwave with his fate left ambiguous.