Yang Ling managed to see through the illusions by depending upon his powerful Divine Consciousness, and his understanding of Restrictions. This was why he managed to lead the crowd at his highest speed toward the Burning Fire Elf Tribe.
If average people got caught in an Illusion Formation, they would either be unable to move even by a single step, or would walk around for a long time without making headway. But Yang Ling was able to find a way to decipher it in a short time.
As Yang Ling learned more about that strange desert, he became sure that it was a Restriction with a shockingly large scope.
Was there a connection unbeknownst to people between the ancient wizards and the Underground Tomb?