As Swampert exerted its strength, an indescribable balance in the Underground Depths was finally about to shatter!
Heat poured into the underground space. As though nourished by it, the dense marsh gas and toxic mist gathered and surged out frantically, swelling ceaselessly within that confined space.
The sudden upheaval drove the Poison-type Pokémon living there even madder. Like living corpses, they knew only how to devour. Then... the drastically altered marsh gas overwhelmed them, and they collapsed in their own nests, all signs of life extinguished.
Even in death, they had never seen the real world. Devoid of reason and emotion, they had been raised like venomous creatures in a poison-breeding jar.
Perhaps an ending like this was not so bad for them...
Meanwhile, on the coast,
Cynthia watched the somewhat deranged Black Yi Ryuusei mutter incessantly,
"This isn't your power..."
"It's still not enough... Gengar!"
"I need greater power! Stronger power!"
Cynthia frowned slightly. Looking at the unconscious Bronius and the others, then at the Black Yi House Clan members gradually ceasing their resistance out at sea and the rampaging Poison-type Pokémon, she told Ishijima,
"Report everything that happened here to the Kalos League. Organize the League officials and Trainers present, and take all the Black Yi House Clan members and those Team Plasma members into custody!"
"As for these Pokémon..."
Cynthia sighed.
"Question the Black Yi House Clan members. Have them recall all these Pokémon and bring them back to the League for treatment!"
"Perhaps... there's still a way to restore their reason..."
Ishijima nodded.
He looked at the Pokémon out at sea and sighed softly.
Even he understood that, although these Pokémon might regain their reason, their potential and vitality had been damaged. They could no longer battle normally. And even if they recovered, how much longer