
+Swift Swim (in base form)
Emerald - If it senses the approach of a storm and a tidal wave, it protects its seaside nest by piling up boulders. It swims as fast as a jet ski." (Swift Swim)

+Beat Up, Pursuit
"It chases down prey in a pack. It will never disobey the commands of a skilled Trainer."

+Anger Point, +Leech Life, Strength Sap
"Its colorfully patterned wings are its most prominent feature. It flies through flower-covered fields collecting pollen. It attacks ferociously when angered." - Emerald
"It has an aggressive nature. It stabs prey with its long, narrow mouth to drain the prey's fluids." - Diamond

+Dark Pulse
"Gardevoir has the psychokinetic power to distort the dimensions and create a small black hole." -Pokemon Sapphire Pokedex entry (Dark Pulse can become Black Hole Eclipse with Darkinium Z)

+Sap Sipper, +Extreme Speed
All of its dex entries mention its insane speed and it's the 2nd fastest mon in the game.
As for Sap Sipper:
"It loves
to feed on tree sap." -FRLG
"It
congregates around tree sap." -DPP

720 kg in base, 755 kg in Mega
compensates for loss of Heavy Metal

995 kg
Whales are big boys

+Heat Crash
Heavy Fire mon

+Sand Stream, +Quiver Dance, Sing
"Flygon whips up a sandstorm by flapping its wings.
(Sand Stream) The wings create a series of notes that sound like singing.
(Sing)"
It already knows Dragon Dance and is in the Bug egg group.

+
Hunter, +Beat Up, Pursuit
"Packs of them follow travelers through the desert until the travelers can no longer move."
"If a traveler is going through a desert in the thick of night, Cacturne will follow in a
ragtag group. The Pokémon are biding their time, waiting for the traveler to
tire and become
incapable of moving."

+Fluffy
They have soft, cloud-like bodies.

Wimp Out over Hyper Cutter, +Circle Throw
"It is a ruffian that uses its pincers to pick up and toss out other Pokémon (Circle Throw) from its pond." -Diamond, Pearl and Platinum
"Its temperament is rough and it loves to fight, but as soon as its pincers break off, it turns cowardly. It stays timid until they grow back." -Ultra Sun

+Dazzling over Cute Charm
Many dex entries mention its incredible beauty

90/90/90/90/90/90 stats (90/110/110/110/110/110 in Primal weathers), Flying/Normal in base and Delta Stream, Flying/Water in Drizzle/Primordial Sea, Flying/Fire in Sun and Desolate Land, Flying/Ice in Hail and Flying/Rock in Sandstorm
It is a cloudlike being, and the Primal weathers would power it up further.

+Spirit Shackle
In Japanese, it is called "Shadow Stitch".

+Absorb, Mega Drain, Giga Drain, Hypnosis, Flamethrower, Fire Blast
"Anyone who dares peer into its body to see its spectral ball of fire will have their spirit stolen away." - HGSS
"Dusclops absorbs anything, however large the object may be. This Pokémon hypnotizes its foe by waving its hands in a macabre manner and by bringing its single eye to bear. The hypnotized foe is made to do Dusclops's bidding." - AS

+
Eat Banana
Its dex entries talk about its yummy bananas and the nutrition they provide, as well as being desired among children

+Pickup, Suction Cups, +Fly
"It travels by riding on winds. It cleverly uses its long tail to pluck nuts and berries, which it loves to eat. " (Pickup) -FireRed/LeafGreen
"In high winds, Chimecho cries as it hangs from a tree branch or the eaves of a building using a suction cup on its head. This Pokémon plucks berries with its long tail and eats them." (Suction Cups) -Alpha Sapphire
"They fly about very actively when the hot season arrives. They communicate among themselves using seven different and distinguishing cries. " (Fly) -Emerald

Forewarn over Pressure
It predicts stuff

Rock/Ice type, +Strong Jaw over Inner Focus and Arena Trap over Moody, +Power Gem, Rock Blast, Rock Slide, Scary Face, Stealth Rock, Stone Edge
"Glalie has a body made of rock (Rock type), which it hardens with an armor of ice. This Pokémon has the ability to freeze moisture in the atmosphere into any shape it desires." -Pokemon Ruby
Lots of dex entries make reference to chewing/gobbling up prey, as well as trapping prey by freezing them in place
Aside from standard Rock moves, Scary Face is also there as a reference to it being the Face Pokemon

Blubber Bounce over Ice Body
"Walrein swims all over in frigid seawater while crushing icebergs with its grand, imposing tusks.
Its thick layer of blubber makes enemy attacks bounce off harmlessly."

+Multiscale, +Giga Drain, Strength Sap
"Sapphire - Although Gorebyss is the very picture of elegance and beauty while swimming, it is also cruel.
When it spots prey, this Pokémon inserts its thin mouth into the prey's body and drains the prey of its body fluids." (Strength Sap, and Giga Drain).
"Ruby - Gorebyss lives in the southern seas at extreme depths. Its body is built to withstand the enormous pressure of water at incredible depths. Because of this,
this Pokémon's body is unharmed by ordinary attacks." (Multiscale).

Thick Fat over Swift Swim
"Sun - Its form has remained the same for one hundred million years.
Its body is filled with fat, so it can withstand the water pressure of the deep sea."

+Trace, +Psychic Fangs
Sapphire - Metagross is the result of two METANG achieving fusion. When hunting, this POKéMON pins the prey to the ground under its massive body.
It then eats the helpless victim using the large mouth on its stomach. (Psychic Fangs).
Ultra Moon -
It analyzes its opponents with more accuracy than a supercomputer, which enables it to calmly back them into a corner. (Trace).

+Regenerator, +Recover
"Its entire body is made of rock. If any part chips off in battle, it attaches rocks to repair itself."

+Heatproof
"Its body can't be melted, even by magma."

+Illusion
"Latias is highly intelligent and capable of understanding human speech. It is covered with a glass-like down. The Pokémon enfolds its body with its down and
refracts light to alter its appearance." -Sapphire
"Its body is covered in a down that can refract light in such a way that
it becomes invisible." -DPP

+Heat Crash
Heavy Fire mon

+Draco Meteor as event move
50/100/120/100/120/110 stats for Normal, dropped to OU
Each form has a different HA: Trace for Normal, Adaptability for Attack, Battle Armor for Defense and Unburden for Speed
Deoxys-N isn't really a balanced form like it should be, Draco Meteor is a reference to its meteor and matches up with Jirachi's event Draco Meteor