So, I have this idea, but I'm not sure how well it would actually work.
Basically, the character is in something close to a permanent coma. They remain asleep regardless of what's happening around them, unless their life is threatened. If something threatens their life, they will wake up and unleash their incredible power and fighting skill to neutralize the threat before promptly passing out again until the next threat arrives.
Basically, the character is in something close to a permanent coma. They remain asleep regardless of what's happening around them, unless their life is threatened. If something threatens their life, they will wake up and unleash their incredible power and fighting skill to neutralize the threat before promptly passing out again until the next threat arrives.