Dark decided to explore for a while longer...
Thus, not long afterward, Dark summoned [Gabumon] and then evolved it into [Drill-Eyed Mouse Beast].
[Drill-Eyed Mouse Beast] possessed the Ultimate Move [Dig], allowing it to burrow underground and excavate tunnels—perfect for digging three feet into the earth.
Dark used his psychic power to control it with precision and immediately began digging.
Before long, he had plowed through the entire underground area beneath the temple ruins. Aside from discovering cellars, icehouses, dungeons, and other such places beneath the temple, he found nothing more of note for the time being.
Unwilling to give up, he had [Drill-Eyed Mouse Beast] expand the scope of its underground investigation, plowing through the ground surrounding the temple as well.
In the end, he still found nothing at all!
"Phew..."
Dark closed his eyes and took a deep breath.
Immediately afterward, he activated his Aura and flew high into the sky, using his own eyes to confirm once more that, within this secret realm, there were no other structures besides the temple ruins.
Then he flew back to where the entrance to the secret realm had been, landed, and stared blankly at a small mountain piled from gray blocks.
There were many more little mountains like it scattered around the area.
They had all been formed by Dark's Magic Spirits, painstakingly gathering and piling up the gray blocks.
Following Dark's instructions, they had collected the gray blocks area by area, ultimately piling them into one small mountain after another. Dark took out an [Orb of Truth] and tried to store the small mountain before him inside it in one go.
Only after succeeding did he breathe a sigh of relief. He headed to the nearest small mountain and took out another [Orb of Truth]...
The good news was