Unity

The Lost Tales of Axeoth: Unity - Heroes IV Campaign

What's special about this campaign, is that it's based on a script written for H4 by Terry Ray, who wrote the stories of the 6 campaigns featured in the original game. This story along with another script, was never released for H4.

Overview of a New Maps at CH 27 March 2021
H4 Unity 02 April 2016
H7: Unofficial Community Patch 16 April 2018