He is Fighting, that alone can make anyone tired at some point. Theres actually lots of examples in the series of characters looking tired only for fighting.
I personaly see 0 problem , i would see If the intensity of the fights remain the same for the people that fought for days and people that fight for minutes or hours dont. That would be quite weird.
I personaly see 0 problem , i would see If the intensity of the fights remain the same for the people that fought for days and people that fight for minutes or hours dont. That would be quite weird.