In this video, you will be able to see the Yun Aurora outfit before and after modification, in which the dress and mantle portion are trimmed. The scenery in the video is from northern region of Silverfrost Mountain map, where snow falls and the land covered in a sheet of white. The scenery resembles the northern and southern poles of Earth in which aurora can be seen.
More details of the mod can be found at: https://aionskinmod.blogspot.com/2019/07/blade-soul-aurora-yun-outfit-mod.html
Artist: Vibe Tracks
Source: YouTube Audio Library