This Generation 4 item was meant to be distributed as an event, but was ultimately canceled for unknown reasons, yet is still available through the means of a cheating device
Azure Flute
This Generation 6 Pokemon evolves when it knows a Fairy type move, and 2 hearts in Affection
Eevee -> Sylveon
Not counting Mew, This is the only genderless Pokemon able to learn Attract
Cryogonal
This pokemon is recognized by its long neck and elongated beak. They are conveniently shaped for catching prey in soil or water. It deftly moves its long and skinny beak to pluck prey.
Fearow
This Pokemon is only available in-game in Crystal
Celebi
This item heals 1/16 of a specific types health, while dealing 1/8 health for pokemon not of this type
Black Sludge
This Pokemon evolves once it levels up with the move Rollout
Lickitung -> Lickylicky
Before Generation 7, This was the only Pokemon that is capable of using TM's, that cannot learn Protect or Rest
Regigigas
To fire its poison spikes, it must inflate its body by drinking over 2.6 gallons of water at once.
Qwilfish
This Pokemon (not counting Giratina) is only available in-game in Platinum
Tangela -> Tangrowth
This is the only item that boosts Fairy Type moves
Pixie Plate
These Flying type Pokemon reach their final evolution's at Level 54
Rufflet / Vullaby
Despite its Pokedex entries talking about how powerful they are, this Rock type Pokemon is unable to learn Tackle
Rhyhorn
With the arrival of night, This Pokemon emits light from its tail. It communicates with others by adjusting the intensity and flashing of its light. This Pokémon is attracted by the sweet aroma of its partner Pokemon.
Volbeat (Illumise)
This Dragon-type line is available in Diamond and Pearl, but not Platnium
Trapinch -> Vibrava -> Flygon
Not counting the Relic items of Generation 5, What item sells for the most money
Comet Shard
This Pokemon evolves based on a "Personality Value" that is hidden to the player
Wurmple -> Silcoon/Cascoon
This Pokemon wasnt able to learn Earthquake until Generation 5
Sandslash
This Pokemons melodies are sung with a special vocalization method that can control the feelings of those who hear it.
Meloetta
This Generation 3 line is only available in the White Forest of Generation 5
Ralt -> Kirlia -> Gardevoir
What item, when held, raises a Pokemons Special Defense EV's?
Power Band
This Pokemon evolves past Level 32 with a Dark type in your party
Pancham -> Pangoro
This Pokemon is the only Fairy type (not counting pokemon that got re-typed) that can learn the move Outrage
Xerneas
The complex attack patterns of its two swords are unstoppable, even for an opponent greatly accomplished at swordplay.
Doublade
This Pokemon's forms are only obtainable via event in Platinum
Rotom