Sword Snow Stride Episode 12

Feng Nian finally agrees to become his father’s successor, Lord of Beiliang, so he can bring Huangman Er back home. Xu Xiao thinks this reasoning is insufficient, so he takes him to a secret underground sanctuary to show Feng Nian the true reason as to why Xu Xian became the Lord of Beiliang. Xu Xian decides to send Feng Nian on a mission to bring all his siblings, who sacrificed so Feng Nian can be the successor, back home while he goes to the capital to persuade the royal family to make Feng Nian his successor. (Source: frankly at kisskh)