Start/End Dates	2012-08-09 through 2013-07-31
Country	Japan

Details

A special Gothimiru (ゴチミル) was available to be unlocked for those that entered a unique code that could be found in the Pocket Monsters Black 2 White 2 Official National Zukan Completion Guide (ポケットモンスターブラック２・ホワイト２　公式ぜんこく図鑑完成ガイド). The guide book went on sale on August 9th, 2012 for 1050yen. The book is 783 pages and its ISBN is 978-4-8401-4635-7. The Gothimiru (ゴチミル) was available on the Japanese Dream World and it has the hidden ability Shadow Tag (かげふみ).