Chakra

Biodata

Origin

Chakra originated with Kaguya Ōtsutsuki rather than the Sage of Six Paths. Her sons Hagoromo and Hamura rebelled against her after she used the Infinite Tsukuyomi to control humanity; Kaguya was subsequently sealed with Six Paths: Chibaku Tensei. 191

Hagoromo later divided the Ten-Tails within himself into the nine Tailed Beasts, preventing Kaguya from using the Ten-Tails to break her seal. 254

Nature and Cultivation

Chakra is a measurable internal resource that supports a shinobi's physical and spiritual power. Uchiha Mirai's chakra was already estimated at more than 1,000 units while his Mental Power approached 1,000, demonstrating that the two attributes are distinct but closely associated. 61

Mental Power is particularly important to the Uchiha: stronger Mental Power can continuously evolve the Sharingan, though this method becomes increasingly difficult at higher levels. 83

• Natural Mental Power Cultivation Method — A cultivation method that continuously improves Mental Power for those with the necessary talent. It may allow talented Uchiha to awaken Sharingan without intense emotional stimulation. 196
• Chakra Refining Method — Distributed across the Ninja World alongside the Mental Power method, allowing even ordinary people with some talent to refine chakra. 198 300
• Natural Energy conversion — Sage Arts combine absorbed Natural Energy with Chakra and Mental Power to create Sage Chakra. 143
• Snake Forest Sage Art — Generates Sage Chakra while Sage Mode remains active; with sufficient Natural Energy and a fast enough conversion rate, it can maintain Sage Mode indefinitely. 143

Uses

Ninjutsu and physical enhancement

Chakra powers conventional techniques and can reinforce the body. Uchiha Mirai uses Wind Release Chakra coating alongside enhanced physical ability in combat. 26

• Supports elemental releases and secret techniques.
• Can be developed through formal refining methods. 198
• For ordinary people, refined chakra improves physical strength and spirit rather than automatically granting combat capability. 304

Bloodlines and dōjutsu

Chakra is integral to Kekkei Genkai and eye techniques.

• The Kurama Clan's Kekkei Genkai is described as a manifestation of Yin Release power. 100
• Mangekyō Sharingan power is likewise a manifestation of Yin Release. 100
• The Rinnegan requires ultimate Yin Release and ultimate Yang Release to awaken the Power of All Things; possessing Mangekyō Sharingan or Hashirama Cells alone is insufficient. 251
• Mangekyō Sharingan creates severe bodily strain and cannot be mass-transplanted except potentially between close relatives. 199

Sage Chakra

Sage Chakra is necessary to damage opponents once ordinary ninjutsu ceases to be effective against sufficiently powerful targets. 143

• Formed from Natural Energy, Chakra, and Mental Power. 143
• Greatly strengthens perception and overall combat power. 143
• Can be sustained indefinitely by Snake Forest Sage Art when Natural Energy is available. 143

Global Cultivation and Collection

Uchiha Mirai publicized Chakra Refining and Natural Mental Power cultivation methods across the Ninja World, triggering widespread participation in chakra cultivation. 198

A decade later, approximately ten million people could refine chakra. Uchiha Mirai had placed seals on all of them and could collect chakra equivalent to one Ten-Tails per day, though limits in storage materials constrained how many Six Paths-level individuals could be created. 304

• Imprinted Tsukuyomi and Yachihoko — Used to imprint the Ninja World's population and collect chakra daily. 301
• Chakra storage materials — Developed through Orochimaru's research to hold large quantities of collected chakra. 300 301
• Six Paths-level enhancement — Stored chakra is intended to elevate super-Kage-level shinobi; Tsunade is the first documented recipient of this advancement. 301
• Long-term accumulation — After another decade, Uchiha Mirai absorbs one-third of all human chakra, greatly increasing his own power. 333

Related Entities

• Kaguya Ōtsutsuki — Original source of chakra; used Infinite Tsukuyomi to control humans. 191
• Hagoromo Ōtsutsuki — Kaguya's son and the Sage of Six Paths; divided the Ten-Tails into nine Tailed Beasts. 191 254
• Uchiha Mirai — Popularized chakra cultivation, instituted global chakra collection, and uses stored chakra to create Six Paths-level powerhouses. 198 301 304
• Orochimaru — Assists with chakra-storage research and collection plans. 300 301
• Tailed Beasts — Formed when Hagoromo separated the Ten-Tails' chakra; later separated from their chakra again when Mirai revived and absorbed the Ten-Tails. 254 248