Upon Mega Evolution, Zangoose grows in size and strength, gaining even sharper claws and long, enriched fur that protects it not only from extreme temperatures but also from attacks, acting like a spiky armor. This defense is especially effective against the physical attacks of its natural enemy: Seviper.
The Pokémon now gains the Dark type and significantly increases its critical hits at night.
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This is a Photoshop representation of what the Mega Evolution of the Pokémon Zangoose would look like.
Hope you like it!