After confirming the latest news, Shi Lei was not the kind of stubborn fool who refused to bend. At a time like this, he naturally would not keep talking to the Holy Roland Empire, whose army had already pressed up to the borders of their Great Zhou, about United Nations treaties and morality.
Once the order was issued, the Giant Eagle Knights stationed at Plain Fortress immediately moonlighted as bombers. Controlling their giant eagles, they grabbed barrels of explosives and flew toward the Holy Roland Empire's main force outside the fortress.
Considering the existence of Holy Roland I, they did not lower their flight altitude this time. As they flew over the enemy's main force, they simply dropped the barrels of explosives straight down.
The enemy was packed together in such dense ranks that there was no chance of missing.
"Boom! Boom! Boom..."
Amid the successive thunderous explosions, the flame waves kicked up by the blasts began to batter the Holy Roland Empire's marching army, bringing panic and chaos to the enemy.
However, for the Holy Roland troops who had experienced the allied forces in the early years, Great Zhou's aerial units and explosive barrels were nothing new.
Having made mental preparations in advance, they were able to steady their formation even when hit by an air raid.
During this process, they began accelerating their advance, intending to launch an assault on Plain Fortress as quickly as possible.
Meanwhile, under Shi Lei's command, the garrison at Plain Fortress had already openly spread out into a battle formation outside the fortress.
As the times developed and weapons and equipment underwent successive upgrades, the existence of defensive walls could not be said to have become entirely meaningless, but they had clearly begun to restrict the troops' performance.
After all, behind the towering