[ ] - 20 (b-global 3840x2160 Hevc Aac Mkv) [b48... -

: The file container (Matroska Video), which can hold multiple video, audio, and subtitle tracks in one file.

: The video resolution, indicating it is in 4K Ultra HD . [ ] - 20 (B-Global 3840x2160 HEVC AAC MKV) [B48...

The filename follows a standard naming convention used by digital release groups: : Usually contains the title of the anime or series. 20 : The episode number. : The file container (Matroska Video), which can

: The video codec (High Efficiency Video Coding, also known as H.265), which allows for high quality at smaller file sizes. : The file container (Matroska Video)