The 29th episode of the FG SERIES ANIME arc 1.
Doku and Han searches for a plan to lure Freud to the DARK FORCES because they can see the potential that Freud can become a very powerful warrior in the future. All they know is that before, the DARK LORD killed his parents before the dark lord was sealed.
Orochimaru suggested that they must give and offer something that would really make Freud happy. But they cannot think of anything.
Meanwhile, Freud attended his classes that day and discovered that he is good in Mathematics.