Cleopatra rewarded the faithful captain's prowess with a magnificent suit of armor made of gold.

Notwithstanding this reward, however, the man deserted Antony that very night, and went over to the enemy.

Almost all of Antony's adherents were in the same state of mind.

They would have gladly gone over to the camp of Octavius, if they could have found an opportunity to do so.
In fact, when the final battle was fought, the fate of it was decided by a grand defection in the fleet, which went over in a body to the side of Octavius.

Antony was planning the operations of the day, and reconnoitering the movements of the enemy from an eminence which he occupied at the head of a body of foot soldiers--all the land forces that now remained to him--and looking off, from the eminence on which he stood, toward the harbor, he observed a movement among the galleys.