There are 2 artists with this name. One is a Dutch Post-Black Metal band, and the other is a tribal symphonic progressive metal band from Florida. Ordo Draconis is a Dutch metal band. They say they play post-black metal, which is a very interesting genre. Check Wikipedia for a decent explanation. The music of Ordo Draconis is very complex, experimental and downright futuristic. Post-black metal is a fascinating new genre; its base is black, but that must be the only thing it has in common with this predominantly conservative subgenre.