At the edge of the underground space, wisps of green light seeped like water through cracks in the walls of black rock.
At first, the green light seemed only to be searching for a position. Once it confirmed that position, its influx instantly grew much wilder, making no attempt to conceal its forceful invasion!
As the green light in the underground space grew brighter, countless monsters hidden in the darkness came into view.
Their bizarre, vicious forms glowed a sickly green. At that moment, the entire Monster Association base looked like an enormous Halloween monster dance party.
"What is that... Aaaaah!!!"
Some reckless monsters attacked it without knowing what they were getting themselves into. The slightest contact left them completely enveloped in green light, and then, as though struck by a gravity cannon, their grotesque bodies covered in keratin abruptly flattened into two dimensions amid shrill, piercing screams!
The scattered screams cut off abruptly, leaving behind only puddles of thick, bloody fluid whose exact composition could not be identified!
"...Uh, what?"
Not only were the monsters throughout the base scrambling away in panic, but the Dragon-level Monster Nyan's slit pupils suddenly contracted into two pinpoints, and all his fur stood on end as though electrified!
"No idea, meow, but this kitty thinks I'd better stay away from that stuff!"
His animal instincts, which had also been enhanced when he mutated into a monster, were frantically sounding warnings deep inside him, telling him never to touch that strange green light. Otherwise, even with his strength, he would inevitably be crushed into a lump of canned cat food that could never be restored!
"That's... Tornado of Terror. Unfortunately, we've been discovered."
Inside Gyoro Gyoro, Psykos's voice suddenly sank.
As a fellow psychic, she naturally recognized at a glance that the green light