The commander of the Wind Origin Realm clearly realized the difficulty of frontal assaults, so they changed tactics.
Instead of engaging in large-scale frontal conflicts, they dispatched elite Nascent Soul squads to launch attacks on various forces within the Nanchuan Realm.
This tactic of cutting meat with a dull knife was slow to show effects, but extremely effective nonetheless.
Each assault caused the Nanchuan Realm to lose some of its living forces, and over time, it would inevitably shake the foundations of the entire defense line.
...
Four years passed swiftly, like white horses galloping past a crack in the wall.
Yet, these four years felt like an interminable purgatory for the billions of living beings in the Nanchuan Realm.
Countless forces were annihilated in the assaults by the Wind Origin Realm, and countless cultivators perished in this great calamity.
Boom boom boom...
