At the Foundation, Kakashi meets a boy who uses Wood Style, a jutsu that only First Hokage Hashirama was capable of using. Kakashi goes to Third Hokage Hiruzen’s library to seek answers and discovers records regarding Hashirama’s cells.
there was a time when
they researched
gab es eine Zeit der Experimente,
c'è stato un periodo in cui sono state fatte delle ricerche
houve uma época em que isso foi pesquisado
проводились эксперименты
в попытках