The military is a place where the hierarchical distinction between superiors and subordinates is crystal clear. As a subordinate, questioning the judgement of a superior is undoubtedly a challenge to their authority.
The wizards of the Military Department couldn't possibly be unaware of this.
Yet, the old wizard still issued his challenge.
This represented an attitude—he did not believe in Richard's abilities.
He wanted to seize power!
Therefore, Richard needed to demonstrate sufficient ability to subdue these wizards and thereby establish his own authority as a superior.
Otherwise, his power might very well become usurped by the old wizards in the team and thus become a mere figurehead.
...
Under this oppressive intimidation, the colors drained from the faces of the wizards in the team.
