“Type: Unknown. Cry: Silence. Note: Some things are not meant to be known. Some journeys end not with a full screen, but with a closed lid.”
(As this is an in-universe analysis of fictional game texts, primary sources are the games' Pokédex entries and developer notes; additional background draws on ecological and literary composition principles.)
The Pokédex work for Lunala emphasizes its fearsome nature and its ability to eclipse the "Solar Light."