ooo) this is an old mod, and I didn't go through all the units, so I didn't check the Fortress on the hill, but the AI did) I only remember the fire hydra that spits fire all around, and the cave lord, who also left fire marks on the battlefield, but he had a unique attack pattern, attacking in a line across the entire field.
On the last page, comrade FAUCH also posted modified upgrades. Thank you. I plan to include them in my collection.