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Despite losing their initial power or experiencing diminishing strength due to aging, these anime characters transition from being extremely formidable to comically feeble in their fighting lineup.
The typical journey that anime characters often undergo is from extreme strength to surpassing limits and ultimately becoming legends. However, there are also many characters who fail to become legends; instead of growing stronger, they become weaker over time.
8. Levi - Weakened due to bearing too many injuries (Attack on Titan)
Levi plays a crucial role in Attack on Titan, being the strongest warrior of the human faction and possessing an incredibly impressive personality. Titans are not a significant threat to Levi, even when they are Female Titans. Levi can defeat Titans in the blink of an eye thanks to his exquisite combat skills.
However, as time passes and more complex events unfold, Levi has to bear many injuries that seriously affect his combat ability. The talented captain loses several fingers, an eye, and ends his career on a wheelchair. Nonetheless, he can still pride himself on never backing down in any battle.
It can be inferred that Gohan is gradually being limited. When he was young, he displayed his extraordinary strength and unlimited potential, even transforming into Super Saiyan Grade 2 and fighting evenly with Perfect Cell at just 10 years old. Although still young, Gohan almost surpassed both his father and Vegeta in training sessions.
Gohan achieved this astonishing power partly due to his mixed heritage of human and Saiyan blood, allowing him to develop stronger than his parents. However, Gohan lacks the fighting spirit of his father and isn't as arrogant as Vegeta, so he gradually loses the drive to push his power higher and falls out of the ranks of the strongest warriors. While Gohan may continue to participate in battles and have opportunities to showcase his innate abilities - such as achieving new transformation levels - they will only be fleeting moments.
6. Julius Novachrono - Magic Saves but also Weakens (Black Clover)
Julius Novachrono's magic is extremely rare and powerful, allowing him to deploy it in countless ways. After saving the Clover Kingdom from Patri's attack, Julius is stabbed by an elf and nearly dies. However, unbeknownst to everyone, Julius stored time within a seal on his forehead, accumulating a total of around 13 years.
Upon returning from the dead, Julius takes on the appearance of a teenage boy with surprisingly formidable magical abilities. Julius's weakening indicates that he was previously an overwhelmingly powerful character, overshadowing all other characters. With Julius's original strength, Yami and Asta would never surpass their limits.
5. Naruto - Losing Kurama and Weakening (Boruto)
When Naruto first teamed up with Kurama, his power reached a whole new level. With the Demon-Fox by his side, Naruto could access vast amounts of chakra previously beyond his reach. In terms of being a shinobi, Naruto had a significant advantage in every aspect. He overcame all opponents, including gods like Kaguya and Momoshiki.
However, when Naruto bid farewell to Kurama before Kurama used all its strength to fight against Isshiki, Naruto remained a formidable shinobi even without Kurama, entering the Sage state. Nevertheless, Naruto's power decreased significantly, signaling a decline in the character's prowess.
