The coveting eyes of the enemies.
The internal problems that could be incited.
Aeryon did not yet dare to summon such a large army unless he manage to unite half of the Steppe.
But Aeryon had never done that and basically manage to balance between the ends of the military and the needs of the government.
Hence, the chief under him is satisfied, and the people under him is happy.
The cities needs people to work and the army needs people to fight and Aeryon is the few rulers in the Great Steppe who manage to balance it and let the people under him to live not so harsh of a life.
Valgrun also prioritizes quality.
But the way he goes about it is quite different from how Aeryon went about it. Those who survive would become elite units and those who died would be honoured.
And then on that day, Valgrun called upon Ashana Zad to perform rain calling
Ashana Zad uses the Weather Stone to call upon rain.