you need him to let his presence affect the plot like
after kaido hears about koby he wants him like that
now all u are doing is following plot while just adding pokemon and koby into the mix
Here is a suggestion someone in the marine has used one of the Pokeballs that was sold and captured a monkey that has eaten some variation of the Buta Buta no Mi. also it has already been two years I am worried about your health are you still alive? Author