 Magnet Power is derived from the earth itself, and Kinnikuman would eventually be able to seal it off by closing an Apollo Window, a conduit to their power.Neptuneman and Big the Budo enters the Dream Choujin Tag tournament as the Hell Missionaries, with the express purpose of hunting down the masks of the greatest Justice Choujins.During the finals, His true identity is revealed to be that of the true Perfect Choujin Don, Neptune King (ネプチューンキング), who had given Neptuneman his Neptune Mask, in truth being his superior instead of the other way around.