It's just annoying how many elementary things are done wrong, for example, why are Nightmares red and fiery, and they only scare, while some smoky and black ones set things on fire. Where's the logic?
And the Nightmares from the Underworld are smoky; they are very hot. This heat is what burns enemies.
Elementary things... well, well... if they are so elementary, why don't you see them at a glance?
Except the ones we've made