If you know anything about mixed martial arts, you'll know his name.
Mark Hunt has been described as a juggernaut, unstoppable and ever-moving.
He's not just a huge star in New Zealand but also internationally.
But Hunt's first real fight began well before he stepped into the ring.
He had a horrific childhood in south Auckland where he was regularly abused and hungry. He has overcome poverty, a gambling addiction and alcoholism to be at the top of his game.
Story went back to Hunt's childhood home to talk to the fighting star about his new book, raising his kids, fighting his whole life to survive and turning it around.
Watch the video for the full Story report.