The Ht2_EP_v1-06.exe file you have requested: Official Patches / Heretic II Enhancement Pack v1.06 - 14.18mb is not available. Perhaps try browsing all files for the game Heretic II and upload any files you want to share or are missing. This is the only information we could locate:
This is the official Heretic II Enhancement Patch Released by Raven Software. A MUST-HAVE if you plan on playing Heretic II online.