Index-of-the-flash-x265 -

: The top-level folder containing the subfolders and files.

You can confirm if a file is truly x265 using specialized tools: Index of /Flash index-of-the-flash-x265

This refers to media files of the TV show or movie The Flash that have been compressed using the encoder. : The top-level folder containing the subfolders and files

If you are looking to verify or find these specific files in your own library or online: Identifying the Codec index-of-the-flash-x265