Power System
Classic Power System
Academy student: Knows the basics
Genin: Weak to mid Genin
Elite Genin: Strong Genin
Chunin: Weak to mid Chunin
Elite Chunin: Strong Chunin
Special Jounin: Very weak Jounin with one or two skills at Jounin level
Jounin: Weak to mid Jounin
Elite Jounin: Strong Jounin
S-rank Ninja: Very weak Kage with one or two skills at Kage level
Kage: Weak to mid Kage
Elite Kage: Strong Kage
Apex Kage: Peak strength on Narakai
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Body Tempering
Bronze: Usually Academy student - Clear physical changes
Iron: Usually Genin - Noticeable increase in strength and durability
Silver: Usually Chunin - Enhanced agility and recovery
Gold: Usually Jounin - Visible increase in vitality and robustness
Platinum: Usually S-rank - Near-superhuman physical capabilities
Diamond: Usually Kage - Body nearing perfection
Black Diamond: Usually Apex Kage - Complete purification and ultimate physical prowess
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Jutsus
Rank E: Academy student - Genin level
Rank D: Genin level
Rank C: Skilled Genin - Chunin level
Rank B: Experienced Chunin - Jounin level
Rank A: Jounin - Elite Jounin level
Rank S: S-Rank Ninjas - Kage level
Rank S+: Kage - Apex Kage level
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Fuinjutsu, Alchemy, Blacksmith, etc.
(Based on the normal clans of the Naruto world, not the Uzamakis tough grading scale)
Fuinjutsu
Novice: Someone who is just starting
Apprentice: Beginners who can perform basic sealing and unsealing techniques
Adept: Individuals with moderate proficiency, able to create and utilize more complex seals
Expert: Highly skilled in Fuinjutsu, capable of creating intricate and powerful seals, including binding and containment seals for high-level threats
Master: Renowned for their exceptional control and understanding of Fuinjutsu. Masters can craft unique seals and counter advanced sealing techniques
Grandmaster: Legendary figures in the world of Fuinjutsu. They possess unparalleled skill, able to create seals that can affect entire regions or counter the most formidable of enemies
Sage: Individuals who have achieved an almost mythical status. Their knowledge of Fuinjutsu is so profound that they can manipulate seals on a fundamental, almost mystical level, often combining it with other advanced techniques like Senjutsu
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Alchemy and Blacksmith
(Similar to the Fuinjutsu above)
Weekly Power Status
-- Power
Ranking 
-- Power
stone