Played the fourth one.
Conceptually, it's still the most challenging mission in the campaign, but the changes also affected it. Nevertheless, its initial stage is still quite difficult, at least because the encounters are close to those in the original game, there isn't much experience to scale an overpowered specialist, and you have to adapt your build for quick battles with heroes, rather than simply grinding neutral creatures.
There's still an exploit with movement from the library, but if before teleporting from the main hall took you to the start of the map, now it takes you to the point where the rune was taken, restoring all movement points in the process.
The logic of the walkthrough is quite simple: on day 5, you take the Castle of the Dead, in the tavern, you get Iranna, and after 2 weeks, you have 92 Furies and 40 Griffins, which you use to storm the upper right castle. Thanks to the increased number of starting runes, you can get a total of 5 spells for this siege, which provides access to Wall and Magic Bolt. The leveling is standard: prioritize maxing out Chaos and transitioning to the bald hero, and on day 13, fight Vinrael in the castle. A very difficult battle, only the use of Dominion Strength and the AI's stupidity at the end allowed me to win, but it was worth it. By the way, it might be worth removing Strength from the spellbook after using it, since it's the only one.
Vinrael


Next, quickly rush the remaining cities, kill the only remaining strong Ilfina, from whom you get green boots and a +20 ring. At this point, the green player's game is essentially over.
Ilfina

Then, a complete clearing of the map and completion of quests, leveling a standard chaos hero: Ob-Charik-Chaos + starting log and attack skill. I fully collected the schools of Darkness and Chaos and half of Summoning, and towards the end, I switched the attack skill to Darkness. I didn't quite understand what was going on with the reinforcements; it seems that at the beginning of the map, there was information about the arrival of humans in a month and a half, but in reality, somewhere around the 7th week, a message appeared with clearly old timings.
Reinforcements

However, I couldn't find out the real timings, as I reached Faydaen on day 8 of the 8th week, which is when the final battle took place. The new way to bypass the gates is interesting, although not very obvious; I didn't immediately understand where to go. The battle is intense, but at this timing, the spells under the Druid's channel are quite enough to win with Chaos.
Final


