The kingdom of humans, or the kingdom of monsters, as the masses of the Poison Rock races now called it, crushed all hostile armies and expanded their borders, but they did that steadily and slowly...
In the end, the Serpent King did not bring them weapons, but rather he brought them cultivation and law techniques, methods for making weapons and equipment, and many other specialties that take time to master and exploit properly.
However, while they were busy developing and creating more warships, their army was wreaking havoc on land, sea, and air after a number of them broke into the Martial Emperor's Realm.
Meanwhile, the number of humans in the Human Kingdom's army was dwindling!