what if all for one was deku's dad

There are indeed. Some fanfic writers find the idea of All Might being Deku's dad an interesting twist. It can lead to some really heartwarming and intense storylines. For example, in these fanfics, All Might might have a more personal reason for choosing Deku as his successor, and Deku could inherit not only One For All but also some other traits or legacies from All Might in a more family - related way.

One interesting plot point could be All Might revealing the truth to Deku later in the story. It would be a very emotional moment, with Deku having to reevaluate his entire relationship with All Might. Another could be Deku inheriting not just One For All but also some family heirlooms or special abilities from All Might's side of the family.

In 'All for One Deku' fanfiction, it's interesting to explore the new relationships Deku would form. For example, his interactions with villains who were once on the opposite side of him. Also, the power dynamics shift. Instead of being the underdog hero, he could potentially become a more complex and morally ambiguous character with All for One's powers. His internal struggle between his original self and the new, darker influence can create really engaging storylines.

It's hard to say for sure. Deku has grown a lot, but All For One is a powerful villain. It depends on various factors like their current abilities and the circumstances of the battle.

Yes, Deku loses One For All at a certain point in the manga.

Yes, Deku does manage to defeat All For One in the manga. It's a thrilling and intense battle that showcases Deku's growth and determination.

Yes, Deku does master One For All in the manga over time through lots of training and battles.

One common plot twist is that Deku discovers the truth about his father in a moment of great crisis. For example, when he's facing off against AFO in a big battle, AFO reveals the truth to him, which completely shakes Deku's world view.

Well, it could lead to Deku becoming incredibly powerful and changing the dynamics of the story completely.

Yes, Deku does get One For All back. It's a crucial plot point in the manga.