Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ

New account created today, yeah that's fishy.

Torrents use cryptographic hashes to verify the torrent content, so if he seeds it to you, then your torrent client will validate data he gives you. If the data doesn't verify or if he wants you to do anything else like clicking a link, avoid and report.

It's sometimes possible to find the same files on other download sites, but "retrieving dead torrents" in general isn't possible without having the same data.