A new force has suddenly risen to power in the Great Forest of Jura, and its leader, Clayman, proposes that the Demon Lords hold Walpurgis with the goal of sanctioning the slime who deceived him. Rimuru also begins to prepare for a battle with Clayman, but observing the enemy army's movements reveals that Clayman's target is not Tempest, but Eurazania. Clayman's army will arrive in Eurazania within two days. Can Rimuru's forces get there in time?
it's the third human nation 
we've joined hands with.
لتصبح الدّولة البشريّة الثّالثة التي نتحالف معها
c’était notre troisième
nation humaine alliée.
é a terceira nação humana
à qual juntamos forças.
это уже третья признавшая нас
страна людей.