Heroes II Tournament: Second stage of the Van Kaneghem tournament "Chains and Ransom"

Didn't have time to play through it. But I did play. Unfortunately, I didn't figure out the idea :(

I also didn't have time :( I could have played today, but completing it in one day isn't for me (although I recently played ВК1 that way :D)
It seems the intrigue of "who will be the third" remains, but in a different context :)

P.S. In one real day, so there are no misunderstandings :D