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?
You are most certainly 
capable of killing Luminous—
—أنتِ قادرة حتماً على قتل لومينوس
Vous liquiderez Luminus sans…
Non avrete problemi a sconfiggere Lumin—
A senhora certamente é capaz
de dar um jeito na Luminous—
Уж вам-то точно 
под силу убить Люминас!..