First some rules to lay down:
- No Legendary Pokemon
- No Mega Evolutions
5) Yamask
Yamask is known as the Spirit Pokemon. Its Pokedex entry in Pokemon X states "These Pokemon arose from the spirits of people interred in graves. Each retains memories of its former life." and in Pokemon Y states "Each of them carries a mask that used to be its face when it was human. Sometimes they look at it and cry."
4) Dusclops
Dusclops is known as the Beckon Pokemon. Its Pokedex entry in Pokemon X states "Anyone who dares peer into its body to see its spectral ball of fire will have their spirit stolen away." and in Pokemon Y states "Its body is hollow. It is said that those who look into its body are sucked into the void."
3) Banette
Banette is known as the Marionette Pokemon. It's Pokedex entry in Pokemon X states "A doll that became a Pokemon over its grudge from being junked. It seeks the child that disowned it." and in Pokemon Y states "Strong feelings of hatred turned a puppet into a Pokemon. If it opens its mouth, its cursed energy escapes."
2) Gengar
Gengar is known as the Shadow Pokemon. Its Pokedex entry in Pokemon X states "It hides in shadows. It is said that if Gengar is hiding, it cools the area by nearly 10 degrees Fahrenheit." and in Pokemon Y states "Hiding in people’s shadows at night, it absorbs their heat. The chill it causes makes the victims shake."
Honorable Mention) Sableye
Sableye is known as the Darkness Pokemon. Its Pokedex entry in Pokemon X states "It hides in the darkness of caves. Its diet of gems has transformed its eyes into gemstones." and in Pokemon Y states "It dwells in the darkness of caves. It uses its sharp claws to dig up gems to nourish itself."
1) Chandelure
Chandelure is known as the Luring Pokemon. Its Pokedex entry in Pokemon X states "Being consumed in Chandelure’s flame burns up the spirit, leaving the body behind." and in Pokemon Y states "The spirits burned up in its ominous flame lose their way and wander this world forever."