As a player from Taiwan, 誓言的旋律 participates in Age of Empires II. Over time, 誓言的旋律 has accumulated 134 matches in Age of Empires II. 誓言的旋律 prefers non-competitive gameplay and has never played ranked.

誓言的旋律 shows a preference for Bulgarians, picking it 22.6% of the time. Arabia has proven to be 誓言的旋律's strongest map—51.0% win rate in 51 games. In RM 1v1, 誓言的旋律 currently holds a rating of 840.