"Escape to Salvation" - "Magnificent Retreat" [Campaign 4, Mission 4]

There is also an additional mission called "Dark Messiah". The participants are the son of Isabella and Kha-Beleth, Arantir, and Kha-Beleth (in the dialogues).

Direct link to the Russian version of the "Dark Messiah" mission (news from January 7th) - http://heroes.ag.ru/heroes5/news/2008/01/

Thank you very much for the link; I've been looking for this mission for a long time...
I've downloaded it, but I don't understand what they're writing about the installation. There are two options, right? Is it better to install it using the first option?