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Nannet received the news with great surprise, it has been years since a new Monster Wave had appeared around her Nation, this being most likely because she and her mother and sisters had done a 'mass cleansing' into the dungeon, fighting and killing most of the strongest monsters around while destroying their hives or hideouts, so it would become hard for them to reproduce quickly or reappear with more frequency in the floors 80 to 89…
Although she knew that from that down below, monsters still kept spawning and appearing one after another. However, due to the differences in the size of the floors, some of the enormous monsters would often not go up willingly, staying around the floors where they were born, and preying in the vast amount of monsters down there instead of going upwards looking for small prey that could not satisfy them.
"This is…"
Check "The Protagonist's Sister Is Actually the Strongest"!