Create a rival for the user. Create a female friend who needs saving. Create a villain that kills the user's mother, which sends him into a frenzy. Give the option for the user to decide if he wants to be a good person, or go after the people that killed his mother. Make the story action packed and adventure. Make everything engaging and addictive. Level up as he trains, defeats monsters and gain knowledge. The main character will eventually be the most powerful alive, but start humbly