Sacrifice for salvation. Blood devotion. Victory over darkness. KEIRIS, Master of the Elements of Air. Beacon for souls.ASHLINEfilim. Mar-amp. Able to see the color of magic.HIMURAHigher demon. Masters the magic of ice. FRANCEZELIN Master of the element of Fire. Blessed huntress. ANGELICA, Master of the element of Water. Demon hunter.DECTANElemental master of the Earth. A descendant of an ancient order. Darkness shrouded Algor - a place that hid many secrets. Six representatives of different elements received a letter inviting them to the city. Soon they witness the result of an experiment with amethyst, a substance that negatively affects magicians and demons. Behind the chosen ones is the mystery of the past, ahead is the inevitability of the Blood Moon ritual. When darkness falls, some will face the Knight of Darkness, others will find themselves locked in a cage in the Underground Kingdom. But how to resist demons if they live in each of them?