The red Falco starting the battle with a Killing Edge and a Back Shield represent the red Chozo Soldier, who wields a double-edged spear and shield.
The black Falco minion starting the battle with a Death's Scythe represent the black Chozo Soldiers, who each wield double-edged spears.
The stage is based on Brinstar, an area on the planet Zebes, which was originally inhabited by the Chozo race in the Metroid series.
The music track is based on the battle theme song from Metroid Prime Hunters, referencing the Chozo Soldiers' roles as enemies in Metroid Dread.
Other trivia:
This spirit's Battering Items ↑ ability increases the power of the player's battering items, referencing the Chozo Soldiers' usage of their double-edged spears in Metroid Dread.
