After all, when you have such a base, such a foundation, then no individual chief could stop you.
Unless they themselves also have a unified leadership.
The only force in the Steppe that could then defeat Aeryon forces would be the northern great steppe.
They have a history of banding together when other regions of the steppe comes attacking them
But that is under the assumption that Aeryon would attack the Northern Great Steppe after taking the south which he would not
Aeryon would surely take them down one by one.
And then pool all the strength he has to attack the north.
They like Dama message and they like Dama chances. But they believe between Dama and Aeryon, Aeryon has a higher chance
Because Dama while they also do reforms, they were not as thorough and they are a bit late.
