Lin Fei discovered that the restriction was simply a rune carved into the base of the throne.
This Runic Art was a divine ability heavily favored by the Demon race, possessing diverse powers—it could attack, defend, seal, and conceal.
Lin Fei had happened to study the Runic Art by chance long ago. He hadn't used it in ages, but he never expected it to come in handy here.
Chapter 2990