Here's sum spoilers:
Who is the most with power? Why, it is certainly conspicuous! She is the darkest, I say, she's Nyx's cloak! Her beauty? Venus falls to her knees! Mortals simply cannot touch her. To the wealthy and happy, she scowls. To the pityful and tragedy-struck, she laughs. Point a blade in her direction and she'll crucify you before setting you ablaze. Her name will haunt you forever. The most known: Empress Umbra. But I know her name true.
Nightmare.
Oh, how gorgeous she is. Just by staring into her cold, vibrant cyan eyes makes your blood curdle. Her voice slices through necks smoothly and is as calm as the aftermath of monsoons.