Top 10 Most Powerful Legendary Pokèmon (Generation 1-Generation 7)

My picks for the top 10 most powerful Legendary Pokèmon from Red, Blue, Green and Yellow to Sun and Moon.
The Top Ten
1 Mega Rayquaza

Mega rayquaza dose 300 damage to any pokemon.

Mega Rayquaza is by far the most overrated legendary Pokémon of all time because the combination of its obscene attack (180), special attack (180), and its speed (180), but this does not mean that it’s the most powerful. Technically, ultra necrozma is the most powerful Pokemon from a cinematic and Pokédex entry standpoint. Ultra necrozma is the most powerful Pokemon statistically and in the Pokemon universe, but mega rayquaza’s power is truly... OVER 9000.

2 Giratina Giratina is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. Created by Ken Sugimori, Giratina first appeared in the video games Pokémon Diamond and Pearl, but gained prominence in the sister game, Pokémon Platinum, which it was made the mascot of.
3 Mega Mewtwo Y

genetically engineered to be a god, then mega evolved

4 Mega Latias Latias, known in Japan as the same name, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise.
5 Reshiram Reshiram, known in Japan as the same name, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise.
6 Deoxys Deoxys, known in Japan as the same name, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise.
7 Thundurus Thundurus, known in Japan as Voltolos, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise.
8 Yveltal Yveltal is a fictional creature in the Pokemon Franchise. Introduced in the 6th gen, Yveltal is a legendary Dark/Flying type Pokemon, and is the mascot of Pokemon Y. It is classified as the Destruction Pokemon. Yveltal has the ability to absorb life energy, and when its life comes to an end, it steals all the life energy of every living thing around it before transforming into a cocoon to sleep for... read more
9 Suicune Suicune is a pure water-type Legendary Pokemon introduced in the games Pokemon Gold and Silver (Generation II). It is the mascot of the video game Pokemon Crystal. According to the Pokedex, Suicune is capable of purifying bodies of dirty water wherever it goes. It is part of the Legendary beasts trio revived by Ho-Oh after they were caught up by the fire in the Brass Tower after it being struck by... read more
10 Arceus Arceus is a legendary Pokémon from the Pokémon series. It first appeared in the 18th Pokémon movie alongside other Legendary Pokémon. In the Pokémon universe, Arceus is widely known as "The Original One", as it's believed to be the creator of the entire pokemon universe. According to mythology, Arceus is said to emerge from an egg that existed before the universe.

Literally created the universe.

The Contenders
11 Zapdos Zapdos, known in Japan as Thunder, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise.
12 Primal Kyogre
13 Mega Latios
14 Lugia Lugia, known in Japan as ルギア (Rugia), is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise. First introduced in Generation II, it's the mascot of the game Pokémon Silver. It serves as the master of the legendary birds trio, and is part of the tower tuo along with Ho-Oh.

Created bird trio

15 Primal Groudon
16 Mewtwo
17 Mega Mewtwo X
18 Mew Mew is a Psychic-type Mythical Pokémon created by Nintendo's and Game Freak's Pokémon media franchise. Designed by Satoshi Tajiri, it was introduced in Pokémon Red and Blue. Mew is capable of learning every move in the games (except signature moves of certain Pokémon), and can shapeshift into other Pokémon species.
19 Entei Entei, known in Japan as the same name, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise.
20 Necrozma

honestly he could just absorb their powers he is basically pokemons Kirby

21 Melmetal
22 Zacian Zacian is a Fairy-type Legendary Pokémon that was introduced in Generation VIII. It serves as the mascot for Pokémon Sword.
23 Ho-Oh Ho-Oh, known in Japan as Houou, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise.
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