The path to the second-to-last enemy castle was amusing, especially the repetition with the appearance of 18,000 ghosts. And the fact that this castle is the SECOND-TO-LAST is also noteworthy. I'm going to look for the path to (hopefully) the last castle...
Yes, here's the link for zavtra: http://www.maps4heroes.com/heroes5/maps.php?keywords=Carnac&type=&size=&sort=2. I just used the search function in the Heroes 5 section...