The file refers to the Fire Emblem: Three Houses (FETH) Expansion Pass, specifically focusing on the Wave 4 DLC content. This pack is distributed by the site Ziperto for the Nintendo Switch (NSwTcH) . Wave 4 DLC: "Cindered Shadows" Content
The primary addition in this wave is the "Cindered Shadows" side story, which includes: Downloadable content in Fire Emblem: Three Houses
