Vielsia closed her eyes, and with her hands crossed and placed on her chest, a green glow emanated, and a scroll began to float slowly out of the elf's body, spinning gently.
Reji looked at the scroll, and instead of complex and cryptic symbols or incantations, he saw a series of images similar to a landscape painting.
As Vielsia continued her gestures, the scroll unfurled before Reji like a 3D projection, and the mountains, rivers, and land depicted on the scroll transformed into a lifelike miniature world.
Then, with another wave of Vielsia's hand, the scroll began to roll up again, and the projected world above it seemed to be rolled up as well, disappearing one by one.
Vielsia's demonstration was over.
This was the sealing technique that the elves had painstakingly researched to seal the Demon Race.
"It's like a two-way mirror, isn't it?"