I need a brief summary of what The Emperor Jones by Eugene O'Neill was about in regards to Brutus, the main character.

Brutus Jones is the protagonist of the play. He is a physically imposing black man who takes over the island by making the inhabitants think he has magical powers. In truth, he is an escaped murderer. He is a tyrannical ruler who dresses in military style and carries a gun. He speaks in a strong black dialect.