No matter how large the city was, it could not withstand the charge of an Army of a million soldiers. In addition, the artillery fire that had cleared the way had destroyed a large number of defensive lines. This allowed the transmigrators to destroy everything in their path without much resistance.
Because they wouldn't really die, the transmigrators were all extremely brave. Many of them performed beyond their level and beat the enemy until they cried out in pain.
To be more precise, the transmigrators rushed over like a swarm of bees, splitting up groups of enemies and then killing them one by one!
This led to smoke and fire on the way to the restricted area. There were scenes of both sides exchanging fire everywhere. If the transmigrators from other worlds surrendered, it would be fine. If they refused to surrender, they would eventually be killed by the chaotic gunfire!