Virtual ones. Which...are a lot more forgiving than real ones. All video games have them, that's how you progress. They don't have to have a real reason to dislike you. They just know your'e the enemy because the game tells them you are.

[...kinda like this place.] Anyway you just have to be smarter and tougher and beat them before they beat you. Thing is? You never know what their weaknesses are until you start.