Auto-translated
I play at 160%, and many people play at this difficulty level.
In the first week, it's unlikely you'll be able to deploy Devils, even at 100%, at least that's how it seems to me.
For me, the main task for leveling up is to defend against the first Pandora's Box. Either there will be money to hire an army, or there will be an army, or there will be an army (it depends on luck, whether it will be strong enough for the second week or not), or there will be useful spells. For some reason, I also rely on gaining experience; new skills appear, and it becomes easier. If the Pandora's Box is guarded by 20-49 Griffons, Mummies, or other mid-level neutral creatures, then it's great; if not, then you need stronger troops.
My task is to quickly defeat the opponent because if you delay, Inferno isn't particularly strong. And what does Inferno have? Ifrits might not be defeated; there will be too many of them, but the situation is worse with Devils. In the 3rd or 4th month, they will be defeated by Red Dragons or Titans. I usually place a Capitol either at the end of the second week if I have enough gold or after capturing a second Castle; usually, the computer already has a generator producing 2,000 resources. In total, that's an increase of 4,000 (my Castle + the computer's Castle).
[br][/br]Mostly, I can't deploy Devils in the 3rd week due to a lack of Mercury. On the L map without an underground passage, there definitely isn't enough, especially when 8 people are playing. So, I have to save up Mercury and mostly avoid upgrading 2nd-tier ranged units and Pit Lords with Golems. Although I also don't usually upgrade Golems because they often attack my own units.