20.

Articuno

Articuno is a famous bird known to be in a trio with Zapdos and Moltres.Articuno is a very strong Ice Flying type pokemon that can freeze pokemon to is own will.Legend has it that if it flaps its wings then the weather turns from sunny to windy and snowy.This bird pokemon is a legendary pokemon

.For Articuno this means that it is very powerful and can create havoc towards others too.

19.

Metagross

Metagross is a Steel Psychic pokemon which is formed by two Metangs combining together.This makes Metagross.Metagross may not be a common pokemon but s one of the strongest out of all.It has a mega evolution which will knock down even the strongest legendaries.It is very smart and moves with speed as fast as light.It is considered the heaviest pokemon due to it being 550 kg normal form and 942.9 kg in mega form.

18.

Charizard

Charizard is definetly most peoples favourite pokemon.It has the ability to transform into two mega evolutions.One is Mega Charizard y and the other is Mega Charizard x.From the research the strongest is x.Charizard is a pokemon which will seek out other strong pokemon to take down.Its fiery breath can turn metal into slag.Charizard is a pokemon which will surely wreck very powerful pokemon.

17.

Arceus

The almighty god of pokemon is here.Arceus is a normal type pokemon and rated the strongest pokemon ever.Myths say that it emerged from a egg into complete nothingness and then shaped the world.It has defenses against everything except electric types.But with this it can one shot destroy any pokemon.Arceus isnt a legendary but a Mythical.This means it earns more reputition than most lengendaries.

16.

Rayquaza

The strongest pokemon in top 10.Rayquaza is a legendary pokemon.Rayquaza is my favourite pokemon and for a good reason.It can definetly destroy even the most god like pokemon which are considered dangerous.Legend says that it lives in the ozone layer eating meteorites.This pokemon is known for stopping the endless fights between the almighty Groudon and Kyorge.Its also scary.This dragon pokemon is very powerful for the uber league.

15.

Groudon

Groudon is a Ground type pokemon which can do one thing which only this pokemon can do-primal evolution.This is what makes the pokemon stronger and heavier.According to pokemon Groudon is he heaviest of pokemon weighing 950 kgs at normal form and 999.7kgs in primal evolution.Groudon is the land personified.It can raise the land with its own power.This pokemon clashes with Kyorge alot of times.

14.

Kyorge

Kyorge is an overpowered pokemon which to believe is the sea personified.It has a primal evolution with powerful stats.This is only one of the pokemon which can primal evolve.It can summon storms with its mighty powers.It is a water type pokemon and can beat Groudon though I dont think it can.Both are strong but Kyorge is a water type.It can be a formidable opponent against others.

13.

Noivern

Ok this Flying Dragon type pokemon may not be the most common pokemon but it is one of the strongest flying type pokemon out there.It can make a soundwave as loud to make a pokemon 100% deaf.Its sound it makes are strong enough to crush a boulder.Noivern has really good eyes for darkness arising so any pokemon coming into contact and wanting a fight with this pokemon will be very difficult.

12.

Tyranitar

Tyranitar is a powerful pokemon which can crush a mountain with a single mighty blow.This pokemon is a Rock and Dark type one.It can mega evolve into a stronger form.It has lots of armour around it so it can survive many attacks which can hit it with critical force.This pokemon is like Aggron but this is more likely to be a number one obstacle which will come in your path if your climbing the mountains.It can summon a sandstorm.

11.

Dialga

Dialga is a legendary pokemon which rules time.That means it can time travel back to the past or the future.It is a steel dragon type which can control time with its mighty roar.It is one of the guardians of Arceus.It has others with it as a trio and those are Palkia and Giratina.It is really big but can circulate immense power which can even destroy pokemon like itself.This is why Dialga lives far away from humanity.

10.

Giratina

This pokemon is a ghost dragon type.This is a really strong pokemon which can never be easily defeated.Giratina has powers like turning invisible which helps it in battle.It is the biggest ghost type pokemon.Giratina lives in Sinnoh.Giratina was punished by Arceus and therfore banished into the reversed dimension where everything is distorted.Giratina has two forms to change into.It is its origin forme and its other form is the altered one.

9.

Palkia

Palkia is the god of space.Well I mean that it rules space.If angry it can cause rents and distortions in space.Palkia has the power to create new dimensions to new worlds.If it can do this then it would be the strongest dragon type pokemon of all.Palkia doesnt fly though it levitates.Its wings dont flap at all.Palkia is a rival of Dialga.Therfore whenever the meet it also ends up in a fight.Palkia is a strong pokemon and will take down any enemy.

8

Moltres

Moltres is part of the trio with Articuno and Zapdos.Legend says whenever this pokemon gets hurt it dips itself into a volcano.It can control fire.It is a fire flying type just like Ho-oh.Moltres can fly really quickly and can dodge better than other birds .Moltres can give off flames so if it gets in contact with a grass type pokemon for example leafeon then it can lead it to death.There wouldnt be anything to do.