You must install the base Diablo II (using the Install, Play, and Cinematic discs) before you can install the Lord of Destruction expansion.
Note: This write-up covers what an "ISO link" commonly refers to in the context of Diablo II: Lord of Destruction (Diablo II: LoD), how legitimate sources work, legal and safety considerations, and safe alternatives for obtaining and playing the game. diablo 2 lod iso link
The demand for ISO links first emerged within the community to solve several practical issues: You must install the base Diablo II (using
Downloading ISOs for games you do not own is considered piracy. We recommend using your own retail keys with archived files to stay within legal and ethical boundaries. how legitimate sources work