Facing the Gods and Demons in the Sky, I Only Have One Sword

Su An drew his sword and pointed it at the gods and demons in the sky with red eyes and shouted: I only have one sword, either me or you SI. Then Su An drew the sword and smiled ferociously: Are you guys ready? (Os: Okay, this is just a short novel, trying my best to let everyone see what the world of the novel should be like in my mind.) This book has spiritual energy recovery + god and demon recovery + semi-system flow + single female protagonist