Diamond Domain, the dreamlike kingdom from a fairy tale that had circulated throughout the Kalos Region for ages, had rarely been seen by adventurers with their own eyes. It had once even been suspected of being a fictional country that did not exist.
And now that they were seeing it with their own eyes...
Mingyou and Ogerpon excitedly took out their Rotom Phones in perfect unison to take photos and check in.
They were now more than six thousand meters underground. Although it was not as outrageous as the Great Crater of Paldea, entering this place would have been extremely difficult without some special means—and without Carbink to lead the way.
"We've reached the deepest level of Kalos, Diamond Domain. Diamond Domain is so beautiful..."
Mingyou could not help sighing in admiration. The entire underground space was almost covered in glowing diamonds. Some formed bridges over rivers created by flowing groundwater, while others had been assembled into buildings. Their radiance was dazzling. The diamonds even extended upward to support the ceiling. From a distance, it looked like a star-filled night sky painted across the underground world.
But at that moment, a thunderous explosion rang out in the distance. One of the diamond pillars supporting the ceiling collapsed amid the blast, crumbling into fragments...
"Are those the guys?"
Mingyou asked calmly. He had not seen the enemies yet, but their destruction of this beautiful scenery had already made him somewhat displeased.
The Carbink in his arms nodded.
Those humans had come for the "Heart Diamond." It had taken Queen Diancie thousands of years to create, and it was the source of energy that could sustain all activity in Diamond Domain for millions of years.
Since the Heart Diamond had long since become part of Diamond Domain, those people had begun destroying