Also known as: ケレリタス・ルーメン, ルーメン
The "Carelessly Converging Ray of Sunshine". Stage 3 boss of Earthen Miraculous Sword.
An Androgynous sunlight youkai. Lumen can absorb sunlight with the shell on their back. They can also absorb moonlight which makes them stronger, but it also makes them go berserk.