Demon beasts!
How could there be so many demon beasts!
He had thought he had merely run into a huge migrating flock of demonic birds, but he had never expected even more demon beasts to appear on the ground!
As a disciple of the Four Symbols Sect, he naturally recognized these yellow-furred demon rats. They were Earth Sand Mice, famed among demon beasts for their reproductive ability and sheer numbers.
Though these demon beasts were very weak, with even their strongest mouse kings only reaching entry-tier, a female Earth Sand Mouse gave birth to more than a dozen young per litter and could produce several litters a year. Their young needed only a little over a decade to mature into the lowest rank of demon beast.
With their terrifying numbers, easily running into the thousands or tens of thousands, Earth Sand Mice were creatures that other demon beasts generally dared not provoke.
However, precisely because these demon beasts bred so prolifically and liked to burrow near spirit veins, they caused immense damage to spirit domains. The human cultivators of the Chaotic Spirit Domain had long since exterminated their colonies.
Now, such a massive swarm of Earth Sand Mice had suddenly appeared in this area bordering the Black Wind Territory, coupled with the bear demon named Stoneclaw whom he had encountered earlier.
Wang Yu did not need to think hard to grasp something of what this meant.
A demon invasion!
Wang Yu silently uttered those words in his mind and could not help cautiously sweeping his divine sense farther afield.
Neither the Earth Sand Mice nor the Gray Iron Sparrows particularly concerned him. If he set his mind on leaving, he had several ways to shake off these demon beasts with ease.
But if members of the Demon Race were controlling