If you are facing battle, it is generally a good thing if the soldiers on your side are alert, or maybe confident, and even downright reckless in their disregard for danger. The better your fighters, the more likely you will win the day, and nothing disarms a fighter lack a panic. This is well known
We may have grown up thinking it was true, but Columbus was not the first European to make contact with North America when he sailed the ocean blue in 1492. Norse sailors had been crossing the Atlantic for centuries by that time, but new research suggests it may have been for even longer than thought.