This gift is distributed to players via a serial code, given in participating stores in Europe, from Aug 27 to Sept 27, 2021.
Using the Dynamax Crystal would allow Gigantamax Duraludon to appear at the Watchtower Lair's Den as a max raid.
As of LGPE, wonder cards are no longer stored in saves. As such, players will not be able to inject this event into their save using PKHeX.
Format Ver.2.1.2-0, Post Updated Date:20210827_1124