First Databook Jutsu Files

Accumulating chakra and forming [hand] seals to activate a jutsu! The physical and mental energies from 130 million body cells, that is, chakra, are accumulated, and by performing [hand] seals, this energy is converted into a jutsu. If this sequence is performed impeccably, the jutsu is activated. To activate jutsu other than Taijutsu, basic chakra…

Possible Naruto plot hole! Many of the Akatsuki members were the strongest Shinobi their village has ever seen, couldn't they have become kages if they stayed good? Like Sasori? - Quora

4th Databook

First Databook Character Files

Moriarty — What do you think of Kid Kakashi as a character

Naruto Character Official Data Book - Tokyo Otaku Mode (TOM)

First Databook Character Files

First Databook Jutsu Files

Second Databook Jutsu Files

Fourth Databook Jutsu Files

Chakra and Jutsu : r/NarutoFanfiction