What character traits do macbeth's exploits on the battlefield demonstrate? Are these qualities consistent with the plot he devises? Why or why not?

On the battlefield, Macbeth is strong, loyal, and able to fight for his king.  He is initially fearless on the battlefield and is, as described  by the soldier, not dismayed by an onslaught of the enemy.  He is not so fearless when he contemplates the murder of Duncan, but once he has committed the first murder, his intentions seem clear again.  However, his loyalty is only to himself and his plan; in killing Duncan he has no longer found a worthy cause to be loyal to,.