The series follows the rise of three young would-be heroes and their struggle against an evil warlord and swelling dark forces. Lü Guichen is the Crown Prince of the nomadic Qingyang tribe, and is sent to Hetang Kingdom in Eastern Continent as hostage. He meets Ji Ye, an unfavoured illegitimate son who is training to become a warrior, and Yu Ran, the princess of the Winged tribe. The three become close friends, and the boys’ feelings for Yu Ran soon turn romantic. At the same time, powerful warlord Ying Wuyi has been maintaining a firm control over the Emperor, giving him unprecedented power over the nobles. Lü Guichen, Ji Ye and Yu Ran decide to join the decisive battle against Ying Wuyi at Shangyang Pass, but unbeknownst to them, an even darker conspiracy is yet to unfold.
* Crown Prince of the Qingyang tribe in the Northern Continent. Descendant of the Pasu'er family, who possesses the Qing Tong bloodline. He was weak and sickly as a child, and overlooked by his family and members of his tribe. Quiet and gentle in nature, he becomes determined to get stronger to protect his loved ones. He later became a warrior of an organization called Tianqi.
* A skilled and fearless warrior, born the illegitimate son of a nobleman. Although harsh beginnings bear in him cold and ruthless tendencies, his hunger to prove himself betrays a childish vulnerability. He later became a warrior of Tianqi.
Supporting
Xiatang kingdom
Zhang Jiayi as Baili Jinghong
* Ruler of Xiatang kingdom. Ambitious and thirsty for power, he intends to use use Lu Guichen as his tool in securing his reign.
Jiang Shuying as Gong Yuyi
* Member of the Winged Tribe. Royal advisor of Hetang kingdom. Yu Ran's aunt.
* One of the Four Great Generals of the Eastern Continent ; a warrior of Tianqu. An incredibly gifted warrior and strategist, he hides his true agenda and thoughts behind a smiling, easygoing facade.
Wang Ou as Su Shunqing
* The adoptive mother of Baili Yin, who died along with him. Becomes a spirit. An assassin of Tian Luo sect. She has a complex relationship with Xi Yan.
Liu Guancheng as Tuoba Shanyue
* One of the Four Great Generals of the Eastern Continent. He originally came from the Northern Continent.
Wei Qianxiang as Baili Ningqing - Head master of the Baili tribe. Bai Lingbo's lover.
Wei Peng as Xi Yuan - Xi Yan's nephew. Lü Guichen and Ji Ye's friend.
Huang Yi as Baili Yu - Son of Baili Jinghong. Lü Guichen's friend.
Liu Qiushi as Baili Yin - Son of Baili Jinghong. He died from pulling the Shangyun Guxi sword
Feng Hui as Ji Qianzheng - Ji Ye's father.
Fan Jinwei as Ji Changye - Ji Ye's brother.
Chen Zhiwei as Leiyun Zhengke - Member of Hetang's Army.
Yin Empire
Xu Qing as Bai Lingbo
* Grand princess of Yin Empire; aunt of Bai Luyan. Ambitious and vain, she thrives on manipulation and has a great thirst for power to cope with the struggles of aging and losing control.
Xuan Yan as Bai Luyan - Emperor of Yin Empire.
Chen Haoyu as Bai Zhouyue - Princess of Yin Empire.
* Head of the Four Great Generals of the Eastern Continent. A master of military strategy of Chu Wei kingdom, who is cold and melancholy.
Li kingdom
Zhang Fengyi as Ying Wuyi
* Ruler of Li kingdom. A powerful warlord who is incredibly accomplished and intelligent. His ambition is to overthrow the Emperor of Yin Empire and unite the Eastern Land.
Wu Jiayi as Ying Yu - Princess of Li kingdom. Ying Wuyi's daughter.
Northern Continent
Dong Yong as Lü Song - Grand Ruler of Northern Land. Chief of Qingyang tribe. Lü Guichen's father.
Tobgyal as Mengle Huo'er - Wolf Lord; Chief of Shuobei tribe. Grandfather of Lü Yingyang and Lü Guichen.
Li Peilu as Lü Baoyin - Prince of Qingyang tribe. Lü Guichen's uncle.
Li Ye as Lü Shouyu - Lü Guichen's eldest brother.
Yang Le as Lü Yingyang - Lü Guichen's third brother. A highly ambitious man.
Jin Song as Longge Zhenhuang
* Lü Guichen's foster father. Chief of Zhenyan tribe, which later revolts to fight against Qingyang and then becomes eliminated by Qingyang tribe.
Yang Xinming as Da Hesa - Sage of Qingyang, who is armed with knowledge of the world. Close and trusted friend of the Great Lord.
Lu Yanqi as Longge Ning - Daughter of Longge Zhenhuang. Lü Guichen's childhood servant and friend. She is born mute.
Others
Zhang Zhijian as Lei Bicheng
* A mysterious, powerful figure who lingers in the shadows and masterfully orchestrates the destruction and chaos of the Eastern Continent. Member of a denomination called Chenyue.
Jiang Tao as Yi Tianzhan, member of the Winged Tribe. Heaven warrior. Ji Ye's teacher.