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Following the trail of the explosion's fireworks, Nightmare, in ejection state, arrived in the blink of an eye.
It was a rift filled with sharp teeth.
From within the rift, after the explosion, it continuously spewed out chunks of flesh of various shapes.
That was a contingency he had casually laid out not long ago!
There... was once the basement of the infirmary.
That was where the Monsters Nest was located.
When Yi Lin and Oda Mai first explored the infirmary at night, they had already sensed something amiss.
The birthplace of all the demons at Ming River Middle School, why was there not a single BOSS to guard it?
Too much, right?
Now linking all this together, everything made sense.
It was Kristen acting as the "power behind the throne," intentionally doing so.
She manipulated everyone from behind the scenes with her "antennae," covertly issuing various "options," within which she arranged different traps and guidance for each person.