(Perceptiveness) Costumed Elimval

Lore
"I thought it time to better familiarize myself with the culture of this world, and there are few better ways to do that than participating in festivals! I even prepared this witch's hat and pumpkin satchel just for tonight. So, what do you think, Hero? Does this look suit me?"

Acquisition
Evolve 2 Costumed Elimval

Name origin
?

Additional Info

 * Second stage of a 4-stage evolution.
 * Artwork by Yuan Liu aka LANGE.