Heroes of Might and Magic III: In the Wake of Gods is a massive modification of HMMIII inventing script language and generally intended to stretch the boundaries of the original game capabilities. HMMIII WoG presents new objects with various properties, drastically changed and improved creature abilities and a wide variety of custom scripts for altering the gameplay.
In The Wake of Gods is the first new campaign WoG 3.58f provides. WoG campaigns were created mainly to demonstrate the capabilities of the new script language and the new horizons in mapping and modding the original game.
Here is the Part 1 Walkthrough made by Mihai Radu.
Youtube.com