Finally it was revealed when the manga Berserk returned from the hiatus, chapter 357 with Griffith making his triumphant return.

Hakusensha's Young Animal magazine revealed that Kentarou Miura will resume his Berserk manga in issue #09#10, will be launched on April 26. The manga will premiere its chapter 358.
The manga follows Guts, a superhuman and strong warrior who wields a great sword, while wandering through a dark medieval world full of demons, corrupt and decadent nobles and other horrors. Each night, he is attacked by demons, attracted by the curse attributed to him after a traumatic event.

He makes his way across the world on a mission to kill an old friend turned into a demon, who took everything away from him.