First, "Descent" the movie? Wait, there's a game called Descent, but this is a movie from 2007. Let me confirm that the user is referring to the correct title. There's a movie titled "Descent" that came out in 2007, directed by Neil Boshart. It's a British thriller about a group of friends who take a diving trip and get trapped in a cave. That's the one. So the file they're talking about is this movie in 1080p, likely encoded from a blu-ray source using h.264 for video and AAC for audio.
In the vast libraries of digital film archives, file names often look like code to the uninitiated. A string like descent20071080pblurayh264aac serves as a technical fingerprint, telling a story not just about the movie itself, but about the quality of the transfer, the compression technology used, and the intended viewing experience. descent20071080pblurayh264aac