C141 Life and Death Depended on Fate

The so-called Secret Realm is essentially a plane existing within this world.

The Nine-heaven Ten-earth, where the Myriad Tribulation Pill Monarch resides, is an expansive realm. The continent where Qiao Gao finds himself is just a large Secret Realm beneath the Nine-heaven Ten-earth.

As for the Back Mountain Forbidden Land at Flowing Cloud Academy, it's actually a micro Secret Realm