The thread-bound book in his hand wasn't thick. "The Iwami Style" is a type of martial arts that suits the battlefield well.
In other words — concise and direct.
Throughout the entire swordsmanship manual, apart from the basic training methods common in East Japan Sword Dao, there are only seven moves that can be called unique skills.
Four of these moves are akin to "permanent passive skills" that need to be practiced deep into one's bones, similar to fundamental skills.
The remaining three moves are offensive techniques.
For the Iwami people, who don't have much cultural education, it's considered very friendly. Naturally, for Lann, it's very easy to understand as well.
As Lann quickly flipped through the pages, Mentos recorded all this content in the database.
However, Lann still put this thread-bound book into the alchemy pouch at his lower back.