Kim Yushin was once a Hwarang Warrior in Silla (Ancient Korean Kingdom). He was the nephew of the King. In time due to his success in battlefield against Goguryeo and Bakeje Kingdoms he had become the General of the state. He was noted down as one of the strongest and wisest korean Generals that had existed. It was Kim Yushin who had invaded Baekje and caused it to fall. He support Queen Seon Deok and Kim Chunchu heavily whole they united the three kingdoms of Korea. He had also gained a strong alliance with Tang China.