4个数复式三中三多少组简介：As for the ring used for training fighting, standing in the center of the ring and looking in all directions, one could see a group of demons watching the battle, shouting in strange languages that they could not understand.
As for the ring used for training fighting, standing in the center of the ring and looking in all directions, one could see a group of demons watching the battle, shouting in strange languages that they could not understand.
