Damien(Extol)

Damien is a character from Newfound Town. He trades with you, tells you where pokemon can be found, and gives you rewards for completing your pokedex.

Upon completion of the Extol Regional Dex
You receive the national dex, as well as an Egg Charm.

Upon completion of the Kanto Dex
You receive a Kanto Map, for use in the upcoming Gen 9 games.

Upon completion of the Johto Dex
You receive a Johto Map, for use in the upcoming Gen 9 games.

Upon completion of the Hoenn Dex
You receive a Jade Orb, as well as the Hoenn Map.

Upon completion of the Sinnoh Dex
You receive an Azure Flute, so you can catch another Arceus, as well as the Sinnoh Map.

Upon completion of the Unova Dex
You receive the DNA Splicers, as well as the Unova Map.

Upon completion of the Kalos Dex
You receive the Prison Bottle, as well as the Kalos Map.

Upon completion of the Selacen Dex
You receive the Horde Charm, as well as the Selacen Map.

Upon completion of the National Dex
You receive the Global Dex, as well as the Shiny Charm, and the Pokeworld Map v1.

Upon completion of the Global Dex
You receive the Ultimate Charm.