Gu Yuan and Xiao Xun 'er were characters in the novel " Battle Through the Heavens " written by Tian Can Tudou. Gu Yuan was the trash youth of the Xiao family, but he possessed powerful Spiritual Energy and powerful combat ability. He had a strong sense of justice and responsibility. He fought hard to protect the Xiao family and his own family. Xiao Xun 'er was Gu Yuan's cousin and had the title of' Flame Concubine'. She was gentle and kind, with keen insight and strong control. She had powerful combat ability and special Strange Fire ability. She could summon all kinds of powerful Strange Fire to provide powerful support for the Xiao family in battle.