Based in Czechia, Onyxois competes in Age of Empires II. Age of Empires II records show 14 matches for Onyxois. Most of Onyxois's games take place on the unranked ladder.

Interestingly, Onyxois has not yet played any ranked matches. When selecting a civilization, Onyxois goes with Persians about 57.1% of the time.