The Kan could conquer the Great Steppe before he is old.
This is very possible.
If his teacher plan works, then the south could become a strong base for the expedition toward all the direction of the Great Steppe.
The Steppe had long not had a unifier. But when there is one, the unifying process could be fast if the ruler took the right step.
Do not cut the vassal prince, but move them toward the rest of the world.
This is his strategy if he wanted to quickly the Great Steppe.
Once a dominant leader arose, the other would quickly bow their heads and kneel down to support the ruler, give them benefits, power and influence and this disparate forces of the Great Steppe could become the strongest fighting force in the world.
All over the world, the horses of the Great Steppe would trample!
Jayeux could only plans according to the circumstances that he could see and speculate.