How do you beat lord Midbus

I don't know, but you have to be paitent, like when you battle the durmite, you have to take a lot of hits. And the durmite sucks energy from bowser, but you have to just keep hitting midbus over and over and then something happens between bowser and fawful, and the another part of bowser's body opens up.

Hope I helped!P.S, it'll take a while, just be paitent! Just like me, it does help alot