One possible plotline could be that Sakumo is in a dangerous mission situation where he is outnumbered and on the verge of defeat. Naruto, with his powerful jutsu and never - give - up attitude, arrives just in time. He uses his Rasengan to take out the main threats and then uses his shadow clones to rescue Sakumo from the surrounding enemies.
Perhaps Sakumo is trapped in a genjutsu created by a powerful enemy. Naruto, being an expert at breaking genjutsu due to his training with Kakashi and his own experiences, senses something is wrong. He enters the genjutsu realm, battles the illusions within it, and finally manages to break Sakumo free from the genjutsu's hold.
In this fanfic, it could be that Hinata's mom is trapped in a different dimension. Naruto, through some kind of special power or training, manages to access that dimension. Once there, he has to face all kinds of strange creatures and challenges. He uses his quick thinking and combat skills to fight through them. As he gets closer to saving Hinata's mom, he discovers a secret about the dimension that is related to the origin of the ninja world, which adds more depth to the story.
One possible plotline could be that Naruto is in a life - threatening battle against a powerful enemy. Gaara arrives just in time, using his sand powers to shield Naruto from a fatal attack. Then they team up, with Gaara's strategic thinking and Naruto's unwavering determination, they gradually turn the tide of the battle.
One possible plotline could be that Kumo is under attack by a powerful and mysterious enemy. Naruto, being the hero he is, hears about it and rushes to save the day. He might use his newfound Sage Mode powers or his ability to connect with the Nine - Tails to fend off the attackers.
One possible plotline could be that Naruto arrives just in time to stop Haku from sacrificing himself for Zabuza. He uses his shadow clone jutsu to create a distraction and then manages to pull Haku out of harm's way. Naruto then tries to convince Haku that there is more to life than being a tool for Zabuza.
Maybe the village is under attack and Ayame gets trapped in the chaos. Naruto senses her distress. He battles his way through the enemy forces, using his Rasengan to clear a path. Once he reaches Ayame, he uses his chakra to protect her from any harm and then safely escorts her to a shelter.
One possible plotline could be that Kimimaro is on a self - destructive path due to his loyalty to Orochimaru. Naruto, being the one who always tries to save his friends and enemies alike, steps in. He might use his talk - no - jutsu to make Kimimaro realize that there's more to life than serving Orochimaru. Naruto could share his own experiences of growing up alone and ostracized, which might resonate with Kimimaro who also had a difficult childhood. In the end, Kimimaro might turn away from Orochimaru's evil plans.
One possible plotline could be that Naruto discovers Kaguya's true past and the reasons behind her actions. He might show her compassion and convince her to abandon her evil ways. For example, Naruto could use his talk - no - jutsu to make Kaguya realize the value of life and the potential for a better future. Then he could save her from self - destruction or the wrath of other powerful enemies.
One possible plotline could be that Lee is seriously injured during a battle with a powerful enemy. Naruto, being the hero he is, arrives just in time. He uses his shadow clones to distract the foe while he gets Lee to safety. Then, Naruto might use his own chakra to heal Lee's wounds, drawing on his experience with the Nine - Tails' chakra. This would show Naruto's growth and his ability to save his comrades.
Well, perhaps Bellatrix discovers a prophecy that involves Harry being crucial for the future of the wizarding world in a way that benefits her own interests in the long run. So, she steps in to save him. It could also be that she has a secret love for Sirius Black (Harry's godfather), and since Harry is related to Sirius, she decides to save Harry out of some twisted sense of loyalty to Sirius.
Well, perhaps Harley Quinn is kidnapped by a powerful criminal organization that wants to use her knowledge of the Joker's operations. Batman gets wind of it and sets out to rescue her. During the rescue, they might have some interesting exchanges. Harley could be initially distrustful of Batman, but as he battles through the bad guys to get to her, she realizes he's not as bad as she thought. It could also be a setup by the Joker to test Batman, and Batman has to outwit both the Joker and the kidnappers to save Harley Quinn.