The grey Incineroar represents Dragaux, a bulky dragon who features an ephasized upper body strength and a grey color scheme.
The stage and music track represent the Dragaux Stadium, the location of Dragaux's boss battles at the end of each world in Ring Fit Adventure.
The Food item references the different types of ingredients used to make smoothies, which boost the player's health.
The Giant and Metal Shift rules reference the final boss battle against Dragaux where he transforms into the gigantic Dark Dragaux.
Other trivia:
This spirit's Weight ↑ ↑ ability references how Dragaux is a heavyweight character, having built up muscles.
