This Ground Spike Attack attacking the Earth Wall had taken a bit of a crafty shortcut.
It was just like how even the most invincible fortress could still be sabotaged from within.
Still, that should count as a unique advantage of Ground Spike Attack itself. Zhou Xu had no intention of dwelling on it.
As usual, he switched its attributes again.
This time, however, even the spell itself failed to take shape.
Zhou Xu wanted to use the afternoon to finish testing every spell he had on hand, so he moved quickly and switched directly to the next spell.
[Mud Stone Missile!]
Almost as soon as he activated the spell, three basketball-sized objects resembling muddy mixtures rapidly condensed around him. The next moment, they shot toward the stone wall standing in the distance.
The attack speed was astonishingly fierce. Accompanied by three loud bangs, the missiles exploded one after another the instant they struck the distant stone wall, creating a certain degree of splash damage.
That was beyond Zhou Xu's expectations.
[This Mud Stone Missile actually comes with explosive damage?]
At first, he had thought this move might merely be an enhanced version of Flying Stone Attack. Now, however, it was clearly a super-enhanced version!
Amid the explosions, the Earth Wall standing there was blasted apart on the spot, crumbling and shattering with a crash.
Seeing this, Zhou Xu hurried over to inspect the situation.
Unlike Ground Spike Attack, which had relied somewhat on a crafty shortcut, this wave of Mud Stone Missile had displayed nothing but pure power.
Although it was called an Earth Wall, its interior had been condensed from earth and stones wrapped in magical power. Its strength was far greater than that of an ordinary wall.
If three Mud Stone Missiles could directly blast the Earth