Mish-gan
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Absolutely, you should take Ingvar!))) The tactics are basically the same (if you want to read more, check the forum). In my opinion, he's just an overpowered hero for the Dwarves (easy start, good starting unit, large army + great defense skill!!!!:smile44: :rolleyes: )
I don't think you'll have any major problems, just don't start with Runes, and take Light.
1. Which skills are you developing? (I already understand that you're focusing on Defense and Light) assuming you're at level 23?
2. Which creatures are in your army?
3. What's your battle tactic in the endgame?
Added 5 minutes later
Well, this is a common situation, but 15% from Luck and 15% from Defense also reduce damage (probability of a spell working + if the hero moves after the Berserkers in the first round, you can try to target Fire Immunity with a Rune, or you can do it in later rounds if necessary.
By the way, I'm not claiming that Armageddon is a universal tactic, it's just one of the viable options against a cheaty Winghael. In other cases, it's better to have a more developed hero and more troops than Winghael.
If you're going with the tactic codenamed "Armageddon" :D, maybe it makes sense to take "Keen Mind"?:confused: