SWORD LIGHT THAT FILL THE BATTLEFIELD

If that scenario happens where Antonius appeared at the rear of Vanheim forces, Vanheim forces might not be able to crush Veranis contingent in a simple manner

And the consequences of being attacked two sides, Aero would probably have to give the order to retreat.

Aero wanted to win this war to establish back his reputation and reclaim back his good name. So, he could not lose this battle.

Even though Antonius had arrived in the battlefield, it is still happening according to plan so Aero is not afraid.

On the other hand, Alexander knew that he had to retreat. But the only way to retreat is across the river. 

There is nothing harder to cross than a river during trying to retreat from the battlefield

Aero could no longer delay. 

He thought that Alexander would be bolstered by Antonius presence in the battlefield and continue battling. Aero di note expect that Alexander would try to retreat.

He quickly shouts