The enygram starts to describe with specificity, in a way i haven't really seen other systems, yet. And the type gets formed around, it's ebit of nature, nurtured. From what we understand, it gets formed around a childhood wound. There is this pain that gets pricked when you really read about a type or feel that revealed. It starts to articulate this thing that's been driving you for years. Your strength is also your achilles heel. You're never going to be like a three. That's just not who you are ultimately.