Melianism

A religion common amongst the underground peoples of Erata (eg. drow), Melianism is a dualist religion, with the ultimate good being represented by Melion, and evil by Ania.

Melians believe that idols are sinful, and the more devout ones have no images of people at all.

Holidays
13/3 Melion Day. Melian. Celebrates life, though almost exclusively celebrated underground. Bounty from above brought under and burned in sacrifice to Melion

45/7 Anian. Many underground dwellers spend all daylight hours outside, as it is believed Ania rises from the depths to eat the evil