The sacrifice required is the Band of the Hawk. Griffith’s dream is to be reborn. His "friends" are the price.
The 13 episodes break down the trilogy as follows: berserk the golden age arc memorial edition
However, the English dub is where the Memorial Edition shines. Crunchyroll brought back the legendary (Guts), Carrie Keranen (Casca), and Kevin T. Collins (Griffith) from the 1997 anime. For fans, hearing Diraison scream "GRIFFITH!" during the Eclipse is the only acceptable audio. The new dub corrects the pacing issues of the film dubs and delivers a script that is closer to Dark Horse’s official manga translation. The sacrifice required is the Band of the Hawk