The leaders of the different factions all had some kind of life-saving ability or artifact that would activate when their lives were in danger.
Prince Aurelion had clearly used his, allowing him to instantly teleport somewhere out of the range of the Artemian Commander, who then roared in fury.
With his only leverage gone, Lucan could only charge toward the city, annihilating every single Jinn blocking his path.
"Go underground!" Lucan ordered. "Evacuate now!"
With his explosive strength, Lucan reached the city with a trail of blood.
He held back the Jinns, who quickly backed away as soon as he appeared.
Even Commander Dravon didn't dare to go too near to the Artemian Commander and only unleashed ranged attacks at the fleeing Artemians, killing as many of them as he could.
Lucan was only one person, and it was simply impossible for him to hold the entire Jinn Army by himself.