Koroku
Koroku was released as part of the New Years 2015 event on the 1st January 2015 and is an Exclusive Pokémon.
Obtaining
Koroku can be obtained through breeding, trading, or the method outlined below.
<spoiler show="Show Method" hide="Hide Method">Breeding a Vulpix with an Articuno.</spoiler>
Event
Koroku was one of 12 Exclusive Pokémon lines to be added in the New Years 2015 event.
Evolution Tree
Egg