Gregrins

Gregrins are a fictional species that appear in the novel "The Lumina Chronicles" by author Elara Vance. They are described as a sapient, subterranean race, characterized by their pale, bioluminescent skin and large, dark eyes adapted to the low-light conditions of their underground habitats. Gregrins are known for their communal society, which is organized around intricate tunnel networks and cavernous cities.

Their culture places a high value on craftsmanship and the accumulation of knowledge, particularly concerning geology and the study of subterranean flora and fauna. Gregrins are depicted as generally peaceful and reclusive, preferring to avoid contact with surface-dwelling species. However, they possess advanced defensive capabilities and are fiercely protective of their homes and resources. Their diet consists primarily of fungi and root vegetables that thrive in their environment. Communication among Gregrins is believed to involve a combination of vocalizations and subtle bioluminescent displays. While their origins are not fully detailed in the novel, it is implied that they have inhabited their underground domain for millennia.