Am I from Earth?

I woke up in a spaceship, but outside the door was a primitive jungle, barbarians, a dangerous black forest, full of mysterious gods, magical powers and snow-capped mountains. As the situation progressed, I gradually discovered that there was a shocking secret hidden in the divine religion that could subvert cognition, and this secret was actually related to me, and my own identity did not seem to be that simple. Is he the savior or the god of destruction?