Watching such a powerful war floating city, Velin drooped with envy.
"Activate Flame Burst Spell."
The tower spirit received the instructions of Duke of Moravia, drawing power from three large elemental pools to prepare for casting a legendary spell.
Outside the floating city, demons with danger perception felt their hearts tremble, suppressing their violent thoughts and quickly fleeing far away from the floating city.
In less than a moment, massive energy erupted from the twelve mage towers of the floating city, turning the sky red.
Looking at the anomaly above the sky, even the brainless demons knew destruction was imminent, and they successively abandoned the idea of attacking the floating city, quickly fleeing the area.
The next moment, flames scorched the clouds, and centered on the floating city, a radius of a thousand miles of airspace was covered by flames.
Under the impact of the flames, space emitted a piercing shattering sound.
Demons below the Soul Intent rank lasted less than three seconds before turning into black ash, disappearing within the sea of fire, their souls captured by the floating city to become a part of slightly valuable experimental materials.
Demons of the Soul Intent rank resisted the damage brought by the legendary spell with their flesh while flying toward the ground.
As long as they broke free from this airspace, they could survive.
Moravia watched the experimental materials preparing to leave and issued an order, "Activate spatial capture."
"Understood, Master."
On the Light Screen, heads of Soul Intent rank demons looked at the boundary close at hand, the joy of escape surging in their hearts.
The next moment, space fluctuated, and the Soul Intent rank demons that touched the boundary were imprisoned, their figures disappearing from the field of vision.
"Roar--"
Some demons roared in unwillingness, looking at the