I think a hero should have strength because of these reasons. Well first, I think that for example
zeus
Hercules
A mythic hero is a fictional being of great strength and courage famed for his or her bold exploits.
Heracles was the Greek hero who was noted for his strength and was required to perform twelve tasks.
The Greek hero known for his incredible strength who famously killed a lion with his bare hands is Hercules.
oh so super strength, super speed and flying, does not make anyone a hero, it makes them normal
Heracles(known to the Romans as Hercules)
Its a story about a hero and his journey/feats of strength
Ajax
Hercules, son of Zeus and Alcmena.
hero
Hercules was the bravest greek knight ever