Azelf

Azelf is a region-exclusive Psychic-type Legendary Pokémon from Sinnoh region. It doesn't evolve into or from any other Pokémon. Along with Uxie and Mesprit, it is a member of Lake Guardians.

Trivia

 * On April, 2019, there were reports of the Azelf and the other Lake Guardians appearing in the wild.
 * Azelf was first introduced as a Raid Boss from May, 2019, to May , 2019, throughout the Americas and Greenland.
 * Azelf was available again in Legendary Raid Hour on August, 2019.
 * Few hours after the release, the flee rate of Azelf was removed.
 * Few hours after the release, the flee rate of Azelf was removed.