Just curious, what comes next after level 100? Seems like for the first 100 levels, there's lots of grinding to get the fifth slot and to get the heroes up to level 100 so as to evolve them to better heroes. Perhaps Juicebox didn't expect so many people to reach level 100 so soon and hence lower the capture rate so that fortify is not used so frequently to level the heroes up. I am not familiar with such games. How do other developers keep things interesting?