The liches led the undead well, the vampires were smart and followed orders, it was no longer a small war with messy enemies.
The enemies this time knew how to take advantage of Viktor's lack of ability to command.
The veteran Rimv realized this, but it was difficult to communicate it to Vik, who was fighting in the heat of battle.
The liches were hard to kill, and there were so many of them, it was unrealistic for one man to try to kill them.
Viktor did not coordinate correctly with his troops. He realized too late that it was a mistake...
He wasted time and energy, and his soldiers who were left behind were exposed.
Rimv, the veteran who was leading the southern division of the army in Viktor's place, tried to send a special unit to follow him, but they failed to help Viktor or keep up with him.
Trying to advance, they got into a bad position, being in the middle of the undead...