FusionDex

Kecferno's tail flame constantly shifts through a rainbow of colors as it burns. It can shift the fire's color to match its own as it camouflages itself with its surroundings, though it takes considerable effort to maintain.

To intimidate attackers, it stretches the fire on its tail to make itself appear bigger. A Pokémon that has the ability to alter its body colors to match its surroundings.