if you want to change PN1 arena player engineer you need .sol Editor and go to my Character if you change arena player Magic bar become to bullet time is not going to keep your Magic bar
pn1 story mode have a problem with Mag Fat boy and Fat man can't pickup big weapons when you Drop your weapon this be come big so i can't fix this problem to pickup big weapon in arena mode you can pickup weapon if you change your character to mag or fatman and fatboy is going to work but magic bar is going to be bullet time when you change your character in arena mode