Databook 4 introduces updated stats for characters who have undergone massive transformations (Sage Mode Naruto, Rinnegan Sasuke, evolved Sharingan Kakashi, etc.). This feature allows users to select a character and view a visual "Before vs. After" comparison of their statistics, jutsu list, and unique traits as recorded in the final databook.

The "War Arc" Evolution Tracker

Unlike previous volumes, Databook 4 focuses heavily on the evolution of the main cast during the war arc. It provides updated profiles for 270 characters, including deep dives into:

: Comprehensive stats and backgrounds for characters like Sasuke Uchiha , detailing his descent into "deepening darkness" and his eventual restoration goals.

If you meant the fourth databook for the original Naruto (not Shippuden ), that would be (2005) — but that covers pre-timeskip only. The commonly referenced “Databook 4” among fans is the 2014 Jin no Sho .

The databook is known for providing "deep" dives into late-series character development and complex techniques: