After the fiasco of the second day, Gobruk decided to consult his master on their next move. While he is smart, he is not as smart of his master.
"Your usage of siege engines is acceptable, but you are lacking abilities in building a proper one, with most of them destroyed after the first or several shots," it turned out, the enemies of siege engines are shoddy engineering, as none of the soldiers engines were destroyed by enemy's spell.
"While it is impressive for you to learn new skills to assist in the battle, and would likely help in the future, you can still use the common strategies used by monsters.
Experimenting can be done after we get some professionals in building siege engines and other discipline, but for now, stick to what will work, especially with our numerical superiority,"