Starlight is fighting Elisus Lunea Lumen, the final villain of Gryphonstar’s Darklightverse. An epic final battle to save all the souls of Equestria and end the suffering of the mane six.
LINK TO THE BONUS SCENE
https://www.fimfiction.net/blog/839327/merry-christmas-to-all-and-to-all-a-glimpse-into-the-future-christmas-commission-is-complete
LINK TO THE STORY
https://www.fimfiction.net/story/406700/journey-to-hearths-warming
As a side note I thank Gryph for the extra nightmares.