Dreaming that you are a hero is symbolic of your innate strength and outstanding willingness to help others in times of adversities. You possess great courage and would fearlessly go about living life. To you, challenges are not seen as something that hinders you from success. Instead, it is overcoming them is where you find a sense of accomplishment.
To see yourself as a hero in your dream alludes of hidden great potential in you that is waiting to be unmasked. You probably don’t know it yet so this may be a reason you are envisioning yourself as a hero in your dream. In the end, you will realize that there is something special about you when this potential is revealed.