[No he's not. He'll stubbornly deny being sweet.]

Yeah. Melinoe, goddess of restless spirits. She comes out of the Underworld at night to terrify mortals. Luckily, she wasn't in a mood to kill us, so Norman and I had a talk with her, and she's left the Camp, now. I don't think she's coming back.

[Nico doesn't look to happy about describing that particular goddess. Then again, he never is when it concerns her. Using his mom's face to try killing him is a pretty fast way to make him hate someone.]