C867 Four Divine Monarchs

The Hidden Formation rendered everything in this area invisible, while the Isolation Formation was capable of shielding against the Divine Sense of a Martial Dao Expert.

Luo Xiu had inscribed these two rather common formations with top-level materials, leaving nothing to chance in ensuring absolute security.

Linghu Zixuan, not versed in the art of formations, couldn't perceive their subtleties