PLEASE READ THIS lore: in the cutscene in "forgotten world" darwin tries pushing gumball out of the corruption but fails and gets semi-corrupted. then they have another battle. at the end darwin tries again and suceeds but there brotherly bond crushs including darwin and gumballs heart. turns out there friendship was so strong that there hearts broke witch leaves gumball crying and darwin lost and corrupted in the void. maybe they'l meet again? or gumball will go save others? and maybe some people in gumballs amazing world survived and we will see them in the future?