Wait, so he survives a powered up glancing blow that seriously wounds angles, or the shrapnel from the powered up weapon (which, honestly, would be worse than a glancing blow) and everyone is bemoaning how weak he is.
More likely he has the power, but not the knowledge or belief in it to use the power... (Something like the Melancholy of what's-her-name being a god, but having too rational a mind to realize that she was... -- I'm still of the impression that the main character in that was the god, but HIS mind was too rational so it invented another person to hand over the power to... But that's just me)