One possibility is that Naruto jumps off the cliff on his own as part of a training exercise. He might be trying to overcome his fear of heights or test the limits of his new abilities. Once at the bottom, he could encounter a strange creature that he has to befriend or fight in order to get back to his village.
Well, he could be pushed off the cliff by an enemy. Maybe he's in a fight with a new, powerful antagonist who manages to overpower him and send him over the edge. But Naruto being Naruto, he'd use his shadow clones to cushion his fall or find some other creative way to survive.
In a 'naruto off cliff fanfiction', Naruto might fall off the cliff and discover a hidden cave at the bottom filled with ancient ninja scrolls. These scrolls could contain powerful and long - lost jutsu that Naruto then learns to become even stronger.
In fanfiction, Naruto might discover a hidden power or ability when he falls off the cliff. It could be something related to the natural energy around the cliff area that he manages to tap into during the fall, and this new power could help him in his future battles.
In fanfiction, if Naruto jumps off a cliff, he might be saved by a hidden power. Maybe he discovers a new jutsu on the way down that allows him to fly or slow his fall. It could also be that a mysterious character appears out of nowhere and catches him.
In this kind of fanfiction, Naruto might be really frustrated with his friends or the villagers. Maybe he's tired of being misunderstood or underestimated. He could start by calling out their false assumptions about him. For example, if people keep thinking he's just a troublemaker because of the Nine - Tails inside him, he would angrily tell them how he's been trying hard to protect the village all along.
Sasuke could be the one to save Naruto. Despite their past differences, Sasuke still has a connection to Naruto. He might sense Naruto's danger and rush to his aid, using his Sharingan to find a way to safely get Naruto back up from the bottom of the cliff.
Sure. In some fanfiction, Naruto might jump off a cliff to follow someone he loves who has already fallen. It could be a very emotional moment where he doesn't even think about the consequences but just wants to be with that person. Or it could be part of a self - sacrifice. He jumps off the cliff to protect the village from a powerful threat that is following him and he figures that by sacrificing himself this way, he can save everyone else.
He could suddenly become extremely fast and startle his friends. Maybe he zooms around the village, leaving a trail of dust, and his friends are left in awe of his newfound speed.
One possible reason could be that Jiraiya was trying to test Naruto's survival skills. He might have thought that by pushing Naruto off the cliff, Naruto would be forced to use his ninja skills in a real - life - or - die situation and grow stronger as a result.
Sasuke could save him. Despite their differences, Sasuke might still have that underlying bond with Naruto and show up just in time to catch him or pull him to safety.
He might try to change certain events. For example, he could prevent some of the tragedies that occurred in the original story. Maybe he would stop the Uchiha massacre by warning the clan or finding a way to resolve the conflict between the Uchiha and the village leadership.
In fanfiction, Naruto joining could lead to alternate storylines. Maybe he'd find himself in a modern - day setting instead of the Hidden Leaf Village. He could use his ninja skills in a completely different environment, like a big city, which would be really interesting to see how he adapts.