Rimuru confirms that it was Gustav who cursed Zenobia with illness. It turns out he and his accomplice, Carl, are Archdemons plotting to manifest their god using Zenobia as a vessel. Can Rimuru stop them before the Kingdom of Coleus is lost?
and the sword that strikes down your foes.
والسّيف الّذي يضرب خصومك
Das war schon seit
meiner Jugend mein Traum.
et l’épée qui pourfendra
tes ennemis.
L'ho sempre pensato, sin da bambino.
e a espada que derruba seus inimigos.
и мечом, который будет 
крушить твоих врагов…