in a big room, the demon kings have gathered. the room is more like a cave with runes written on the walls. there is a flat slab in the center of the room with runes written on it and a door made of stones with the continuation runes written on it that are connected from the slab. and there are four symbols on the stone door and four holes that are adjacent to them.
"Alright, let's unlock the door that is connected from the slab"
as Alphonse says that everybody passed their magic through the slab then beams of light in dark red, dark blue, dark green, and black color aura released from their respective bodies. as their bodies were lit up. the runes on the slab started to glow and the aura was passed on through the runes that are connected from the slab to the door and eventually passed o
