Charles had directly stationed one hundred thousand imps at the first ambush site.
There were no Lesser Demons or mid-ranking demons, not even any Ratmen.
This was still a battle meant to lure the enemy deeper in.
The hundred thousand demons were meant to drain the enemy's strength while confusing them into thinking this demon force was nothing but a pack of weaklings.
Countless imps, Mezzoloths, and Quasits roared from the volcanoes on both sides.
This location lay right at the center of four volcanoes.
"Kill, kill, kill!"
"Kill them!"
"Awooo!"
The imps roared. The flying demons took to the skies and pounced upon the enemy from every direction.
For a moment, the sky seemed to be covered by a thick layer of black clouds.
All kinds of imp-like spells—Black Cloud Spell, Stench Spell, Abyssal Fireball, Acid Spell, and more—
were hurled down at the devils' heads.
One hundred thousand imps—though most of their attacks were hardly worth mentioning—was still a terrifying number.
"Rumble!"
A tremendous roar erupted across the entire valley.
Demon-like spells surged everywhere.
The devils, as the targets of the assault, did not panic.
The Hellfire Devil at their head roared, "Defend!"
"Form up and defend!"
All the devils immediately took up defensive positions.
It was as though a thick black shield had condensed around them.
The various spells crashed down, but at first, they achieved little.
Yet as their numbers grew, the devils gradually began to suffer casualties.
A flaw appeared in the defensive shield before a Legion Devil.
Dense acid dripped down from above.
"Aaargh!"
This acid alone could not injure a Legion Devil.
Its equipment and armor could withstand such attacks well, with high magic resistance.
But there was simply too much of it. Besides the acid, there were also Abyssal Fireballs.
In an