All castles in Heroes 3.

I don't know about you, gentlemen, but I think that the tournament rules should include the following aspect: "It is forbidden to upgrade Angels from Conservatories, as well as Wyverns from Lairs." And I have good reason to believe so, after playing games under the banner of the Fortress. The Archangels become too dominant: they have the highest speed after the forbidden Phoenix (which means that the Fortress will always have the first turn), and plus, they are free Archangels. And what happens: until you take down these winged fat guys, of which there can be a dozen or more, you won't succeed against the Fortress. And I don't even need to mention the two strong stacks of archers that support the Archangels.