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Before leaving I wanted that question to be answered at the very least. They seemed very secretive about this topic unlike the Demon King's subject. As if the thing of Evil Gods was a completely different thing, and even more serious than the Demon King itself.
"We are aware that those two were the ones targeting you and your families." Cronus said. "However, much like us, without using mortals to do their bidding, they cannot truly target you directly. For now, you must simply deal with those that obey them and desire to fulfill their wishes. The Evil Gods themselves… We'll deal with them eventually."
"What?! So you're just telling us to fuck off then?" I asked angrily. "They were the ones behind our first attack! We almost died back then! And you're just okay with is?!"
Check "The Protagnist's Sister Is Actually the Strongest"!