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A few minutes ago, and by using the cheat-like ability that Abyss had developed using her space magic to travel across the spatial layers, the strange dimensional separation that separated the rest of the fabric of space from the habitable space, which was like rivers where no oxygen or anything of the sort existed other than void that interconnected to any area of the universe through near endless tunnels, Chaos and his allies reached the walls of the large city without even making the giant frog notice them. Although she was standing in front of the city menacingly, it seemed as if she wasn't being ordered around that much, or perhaps that Valen had not much power over her than they thought.
Check "The Protagnist's Sister Is Actually the Strongest"!