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Within the depths of the Dungeon that Maria had discovered, the Dungeon Core rested within a completely black and empty room, protected from everything it could ever touch it… except the darkness itself that had been slowly taking over the dungeon itself, which had, as a result, infected it as well.
"Useless…"
With a faint and annoyed voice, the Dungeon Core discarded the monster it had thought could have some sort of advantage in defeating these sudden invaders. However, at the end, it was defeated by a child.
The Dungeon Core looked into the second floor of the dungeon, narrowing her eyes. A smile surged in her body, as she was no longer merely a sphere of course.
Check "The Protagnist's Sister Is Actually the Strongest"!