If you downloaded this from a third-party site rather than an official store (like Steam), be aware of the following:
: The current version of Last Epoch is 1.1+ . Version 0.8.5 is years old and lacks multiplayer, the Falconer/Warlock classes, and the full campaign. Last.Epoch.v0.8.5d.part3.rar
Released around , this specific hotfix focused on: If you downloaded this from a third-party site
Version 0.8.5 was a major milestone for Last Epoch that introduced: : New endgame challenges and bosses. the Falconer/Warlock classes