Ubisoft announces beta testing of Might & Magic Heroes VI is getting underway today, as promised, offering early access for those who have preordered the turn-based strategy sequel. They also note this franchise is celebrating its 25th anniversary this year, as Might and Magic Book One: The Secret of the Inner Sanctum was released for the Apple II in 1986. They supply this trailer celebrate this milestone, and also reveal details about what the beta test entails, which includes a clarification that the game's U.S. release date is September 6, so the previously announced September 8 date is likely for other territories. Here's word on the beta and The Conflux, an online tool built into the game:

Starting with two maps from the Tutorial Campaign, players will hear the story about the father of all the Campaign Heroes, and learn how to control the Haven and Orc units. From there, players will be introduced to Sanctuary faction in ‘The Fury and the Mire’ campaign map. This is the first map in the Sanctuary campaign and gives players the opportunity to explore new environments, the land of the Nagas and discover useful units, powers and cultures.

The multiplayer map will feature a classic, Heroes Legacy map from Heroes II, Broken Alliance. In Broken Alliance, up to human players are fighting for dominance of the lands against three computer players in control of the richer territories. The multiplayer map is a test of strategy and speed, and allows players to control new factions such as Inferno, Necropolis and Stronghold.

Additionally, the Might and Magic Heroes 6 Beta will introduce the community to a few of the rewards available in ‘The Conflux,’ The Conflux is an online tool integrated into the game to extend players experience and allow the whole community to be part of the adventure. Players will be able to create online profiles to share and compare achievements and progress, build up a dynasty of heroes and customize them with special dynasty weapons and traits, and access the Altar of Wishes for exclusive bonuses. Might & Magic Heroes 6 will be fully accessible offline but Conflux will only be available when connected to the internet.

Might & Magic Heroes 6 will release in the US exclusively on PC on September 6, 2011