While this forme is accessible once you capture Necrozma, and gain access to the the N-Solarizer and N-Lunarizer,
and also having a Solgaleo or Lunala in your team (for the fusion process),
this forme, like Mega Evolution, cannot be maintained outside battle.
How this file was obtained, was by using NTR Codes that allowed catching of Trial Pokemon,
as this Pokemon was not meant to be captured as-is in the games.
This encounter cannot be shiny. This file will make your game save illegal.
The details below refer specifically to this file.
Format Ver.1.0.6-0, Post Updated Date:20180119_2343