The length of the Dokkan Battle story is quite extensive. It includes multiple chapters, quests, and events, and the time it takes to complete depends on your playing style and how much time you dedicate to it. Some players might finish it relatively quickly, while others could take longer to explore all the aspects.
Well, there are a few ways to obtain story keys in Dokkan. Sometimes they are rewards for achieving certain levels or milestones. Also, participating in special events or daily logins might give you a chance to get them.
If Vegito never unfused, it might mean that the enemies he faced were simply not strong enough to force the separation. This could imply that the story's difficulty level was lower than originally thought. Or, it could be that some external factor prevented the unfusing, creating a whole new set of plot twists and complications.
Goku being born with SSJ4 in fanfic would likely make him a force to be reckoned with from infancy. This could result in quicker power-ups, different battles, and maybe even a shift in the balance of power among the characters.
To get story keys in Dokkan Battle 2023, keep an eye on daily login bonuses and participate actively in limited-time promotions. Also, achieving high scores in specific game modes might grant you some keys.
The length of the Dokkan Battle story mode isn't fixed. It depends on your gameplay skills and how much time you dedicate to it. Some players finish it relatively fast, while others take longer as they explore all aspects thoroughly.
Some dedicated Dragon Ball fan communities on social media platforms might also be a good source. For example, certain groups on Facebook or Reddit where fans discuss and share their fanfiction works. However, the availability of exactly this pairing might vary. You may need to do some searching within those communities.