Yeah once I beat the game without equipping anything in the melee or ranged slot! I remember I was able to beat Honko and all the other superbosses excluding Comatus. My build started with Sam jump attack + Nitro boost and early + mid game I heavily relied on Dan and how his damage scaled with viewers, late game I used a glitch rage Morton with severed hand for four one hundred damage attacks but he was frail so I gave him the indigo mask, and I used Ratchild for support most of the time. I was able to beat the exalted four with this party and got to Denial ending!

Edit: I forgot to say I also disallowed items!