A lot of people believed that evil energy was leaked into the world on the day of the eclipse. This belief stemmed from the fact that the moon became blood red anytime the link to the Underworld was created. The blood moon had this ominous aura which would spread over the dark side of the planet, painting the entire sky in the same colour. The aura made animals to rampage as if they were insane. The same could be said for weak willed humans or people that had psychotic tendencies.