Beat a Boss with a Level 4 victory. This means beating the boss without ever hitting where their Biometal is located. The Plushies can be found in Prarie's room in the background.

Effect - Code

Fistleo Plushie - Beat Fistleo while avoiding to hit his head
Flammole Plushie - Beat Flammole while avoiding to hit his arms.
Hivolt Plushie - Beat Hivolt while avoiding to hit his wings
Hurricaune Plushie - Beat Hurricaunce while avoiding to hit her neck
Leganchor Plushie - Beat Leganchor while avoiding to hit his head.
Lurerre Plushie - Beat Luererre while avoiding to hit her head
Protectos Plushie - Beat Protectos while avoiding to hit his chest
Purprill Plushie - Beat Purprill while avoiding to hit his arms.