Yeah! It is a bit short but I think it is perfect for an opening chapter, Just like a trailer, Where we see a glimpse of whats going on but don't know the whole backstory. You wrote it beautifully brother. :))

people who he once called family, now the enemy hell bent on his destruction.

This looks like an intriguing story and I wager everyone wants to know why Nathan is running away from his family? And What made his family his enemy?