Season 2, Broken Shards is the continuation of Rimuru's Suffer. After being betrayed by a fellow landsman (Japan) in the Cardinal World and the sacrifice of his wife Ciel grief, pain, sadness, and madness overcome the once cheerful Rimuru Tempest. After traveling back with a handful of his subordinates, he had begun his plan of revenge, had rebuilt Tempest in [Season 1]and now he was headed toward the Elven Country. Read Season 1 first if you haven't done so, grammar will get better with time.