What types of combat do fans of Heroes enjoy?

I don't know about "breaking" or "suffocating," but a karateka will withstand several falls. Besides, a karateka won't just stand there; their feet "fly" like butterflies... if you miss one strike, it'll be quite difficult to recover. And if the strike was to the head, that's the end of the sparring session.
Basically, that's how we differ. You are peaceful, and we work in full contact

1. A karateka might not withstand a skillful throw, after which you can only breathe slowly, your lungs hurt, and questions arise in your head: "Where? Who am I?"
2. The strike must be specifically to the head (and a clean one) or to the groin. I've checked myself; other strikes (even to the solar plexus) are merely irritating.
3. Agreed, a successful strike to the head can end the fight. Just one question: "What would stop a judoka from simply reaching out and grabbing the head with their arms (assuming they are stupid)"