Mega Aggron

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Aggron claims an entire mountain as its own territory. It mercilessly beats up anything that violates its environment. This Pokémon vigilantly patrols its territory at all times.
– Pokémon Omega Ruby Pokédex

Mega Diancie

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It can instantly create many diamonds by compressing the carbon in the air between its hands.
– Pokémon Y Pokédex

Mega Gallade

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A master of courtesy and swordsmanship, it fights using extending swords on its elbows.
– Pokémon Y Pokédex

Mega Medicham

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It is said that through meditation, Medicham heightens energy inside its body and sharpens its sixth sense. This Pokémon hides its presence by merging itself with fields and mountains.
– Pokémon Omega Ruby Pokédex

#37 Vulpix (Alolan)

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It exhales air colder than -58 degrees Fahrenheit. Elderly people in Alola call this Pokémon by an older name—Keokeo.
– Pokémon Sun Pokédex

#800 Necrozma (Ultra)

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This is its form when it has absorbed overwhelming light energy. It fires laser beams from all over its body.
– Pokémon Ultra Sun Pokédex

#813 Scorbunny

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It has special pads on the backs of its feet, and one on its nose. Once it’s raring to fight, these pads radiate tremendous heat.
– Pokemon Shield Pokedex