He's always been Destin7. That's why lives tormented by those flashforwards and flashbacks! Warner is Durandal, the entity that believes is using him, but it's in reality the force of destiny using the archetype of Durandal.
Wow! This is been my deepest realization of the year. My psycho-magician therapist recommended me to share this piece of Loch here so as to keep balance in the universe. Otherwise, it would be as dangerous for the balance as when Di Caprio won the Oscar. Bearing such an important realization can be harmful for one's soul.