Inside the Ancient Desolate Demon Realm.
Beigong Yu spent a full twenty-plus days rounding up every single Demonic Beast in the entire Ancient Desolate Demon Realm, ranging from the First-Tier Mahayana Stage to the Ninth-Tier Mahayana Stage, and stashing them all inside the Primordial Demon Pagoda.
With that done, Beigong Yu strutted around like he owned the place.
Chapter 168