Posts from RTF is a global modification that replaces all towns in the game.

Hey, where is everyone? Am I the only one here waiting for an update?

Well, then at least add Sanctuary, because it's theoretically ready; there's a translated version, and what else is theoretically ready?

Hello, is it possible to create a mod for an Alternative Undead faction, and redesign the Castle of the Academy of Magic into a dark Alternative version? Heroes of the Death Knights.
Creature upgrades:
1. Ghoul - Dread Ghoul - Vampire
2. Skeleton - Corpse - Death Whisper (Spiders, I noticed that there are no spiders in Heroes, although Giant Spiders exist in Fantasy)
3. Gargoyle - Amethyst Gargoyle - Lapis Lazuli Gargoyle
4. Witches - Sorceresses - Banshees
5. Acolytes - Necromancers - Dark Mages
6. Butcher - Ogre - Fat Ogre
7. Bone Dragon - Ice Dragon - Ice Serpent.

Is it possible to bring this mod to life?

Hmm... yes, it's an interesting idea. As I understand it, the undead race from Warcraft 3 was used as a basis? :)
In principle, it can be implemented, but there are a couple of problems:
1) Who will do it? Right now, hardly anyone has much time, and everyone is busy with their own projects ;)
2) Gargoyles look terrible in Heroes 5, and it's unclear what other creatures they could be based on.
3) I have no idea what could be used for level 6. Although, perhaps Rakshasa could work, but I'm not sure.

P.S. Spiders exist in the game (in both Heroes 7 and Heroes 5, although they were added using mods). However, they are not very well done.
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Regarding the previous messages:
1) On the one hand, Sanctuary is ready, but on the other hand, it still needs a lot of work.
We won't add it to the mod yet, as there's no point in adding an unfinished city.
2) There isn't time to work on the mod right now, as some people have exams coming up, and others have a session.

Hello, is it possible to create a mod for an Alternative Undead faction, and redesign the Academy Castle into a dark Alternative version? Heroes of the Death Knights.
Creature upgrades:
1. Ghoul - Vampire - Dread Bat
2. Ghast - Corpse - Death Whisper (Spiders, I noticed that there are no spiders in Heroes, although Giant Spiders exist in Fantasy)
3. Gargoyle - Amethyst Gargoyle - Lapis Lazuli Gargoyle
4. Witch - Sorceress - Banshee
5. Acolyte - Necromancer - Dark Magister
6. Butcher - Ogre - Behemoth
7. Bone Dragon - Ice Dragon - Ice Serpent.

Is it possible to bring this mod to life?

I like the idea, but only partially. In my opinion, the undead city from Heroes 3 wouldn't be appealing to anyone. The abominations and ice serpents would look especially out of place. The butchers wouldn't fit in, but they would be too obviously reminiscent of Warcraft, and in the case of the serpents...

Downgrade - bone dragon, upgrade - ice dragon... so, an unupgraded building for hiring - a dragon graveyard, and an upgraded one - a dragon morgue (since they are covered in ice)? And what is the difference between an ice dragon and an ice serpent if both are based on the bone dragon?

I'm not talking about a Castle from Heroes of Might and Magic III, but one from World of Warcraft, a flying castle similar to the Academy, but darker. Regarding the Flesh Golems, can you suggest who would fit the role? As for the Ice Serpents, that's not quite what I was talking about. Yes, Ice Dragons are skeletal dragons with pieces of ice. Ice Serpents are more like spectral serpents; I imagined a transparent, ice-like dragon. If we can give them an ability like spell reflection, they will differ not only in appearance from the Ice Dragon but also in abilities.

What about coal dragons as an alternate upgrade for skeletal dragons, since we're talking about World of Warcraft?