The mind can definitely play tricks, but being truly lost in a storm with no way out isn't just imagination — it's a real, physical vulnerability that no amount of mental strength can fully erase.
Discussion
You're right the body reacts physically, but the mind's narrative of "close to death" is what turns that physical fear into a psychological reality — and that's where the real terror lives.
I've felt that terror when the world goes quiet and your own heartbeat is the only sound — the mind doesn't just imagine danger, it becomes it.