The black Ryu represents Akira Yuki, a martial artist protagonist who wears a black uniform, who appears as the Assist Trophy enemy.
The stage's Ω form reference the stages in the Virtua Fighter series, which feature a single platform and an expansive background.
The stage's Ω form and the High Gravity hazard reference the ground-based battles in the Virtua Fighter series where players can be defeated by being knocked out of the platform.
The High Gravity hazard references the ground-based battles in the Virtua Fighter series which doesn't feature a jumping gameplay mechanic.
The stamina battle condition references the HP gauge in the Virtua Fighter series where each character will feature an HP meter that gauges their health during battle.
Other trivia:
This spirit's Attack type and Fist Attack ↑ ability reference Akira's usage of martial arts, which includes powerful punches.
