[ They're all just empty shells, but Akira is going to try his best with this. ]

Not everyone has a Persona... If you were given that gift, then you should be able to summon them without the help of any third party or item.

[ It wouldn't make sense, otherwise? Why would they have a power that they can't tap into and use? Of course the world can be a screwed up place, but they have to stick to being rational. If Minato feels absolutely nothing when he summons his Perosna, then they have to try something else. ]

Maybe it would be better if we sparred a bit. I've noticed that Personas come out when you're in dire situations.

[ He is willing to kill you to get this to work. ]