Edgar Kerval is a musician, author and artist from Colombia with a heavy focus on magick and the occult. He is perhaps best known for his ritual ambient project Emme Ya, in which he uses atavistic and chthonic energies to create vast soundscapes and vaporous atmospheres. He also has a number of other projects including Lux Astralis. He has also written books dealing with Qliphotic magick and African and Brazilian sorcery, as well as publishing in Left Hand Path journals such as "Sabbatica" and "Qliphoth Journal".