Luo Tianyi.

According to a query on NetEase Cloud Music, we learned that the original singer of "Quan Yu Tian Xia" is Luo Tianyi. "Quan Yu Tianxia" is a song co-sung by Luo Tianyi and Xigua Kune***. It is an original Vocaloid Chinese song composed by Wugui Sui and uploaded to Bilibili in 2015. This song is based on the Eastern Wu monarch Sun Quan during the Three Kingdoms period. It is loved by many people for its domineering style and strong historical atmosphere.