Auto-translated
I agree with Sage.
Using natural selection, you can quickly replace a defeated unit with a Djinn. But I wouldn't risk building a battle tactic around this as the only option.
P.S. Are you not sorry to discard Golems?
New here? I'm Roha — want a quick tour?
My favorite faction.
The coolest ones are the dendroids.
Centaurs are quite strong, adding elves and the development is going well... Dendroids are a terrifying force... eight of them per week is too much... but they are "balanced" by pegasi). Unicorns are nothing special, and the dragons are generally tolerable. In the Castle, the only useful thing is the treasury... otherwise, the Castle is not outstanding in any way... Elementals are still the best anyway.
But it doesn't need as much ore as the Castle :(
Regarding skills, I try not to take Luck and Leadership, as there are usually many simple artifacts that increase morale and luck. There are also many artifacts that remove these bonuses.
On an XL map, it can be frustrating to invest in Leadership and Luck skills, which will be nullified during a battle with the AI or another player. I prefer the following skills:
Logistics, Armor, Archery, Diplomacy, Wisdom, Earth Magic, Tactics, Magic Resistance.
I also try not to take Attack skill - Attack is not the strongest point for a Ranger, and a 15% increase in damage on the Expert level won't make a big difference. I think it's better to invest in defense - it's already at a high level for creatures and the hero (Ranger), and with the Armor skill, it makes the units even more invulnerable.