A Rough Diamond?

...

During the earlier exchange, while retreating and dodging the monster's attacks, without him noticing Icarus ended up cornering himself

However, Icarus has no time to blame himself for his carelessness.

Since the monster appears to have finished preparing its attack

Icarus notices a clump of gray air forming in front of the monster's mouth, that  grinds its two rows of sharp fangs one last time and then lets out a bark

That bark is several times louder than the previous ones

"BAAAARRRK!"

In less than a second, this clump of air becomes twice the size of the monster's mouth and rushes towards Icarus at full speed

Even without his instincts warning, he's sure this attack is extremely dangerous. If it hits him, it won't just end up with Icarus with some leaking organs

The huge clump of air approaches quickly and when it's less than five feet from his face 

Icarus grits his teeth and does the unthinkable