Oh, come on) you'll fill another 10 pages.
40-50 HP... hmm... you could send a hero there and kill these 20 dragons in one hit)).
Let's calculate the HP.
12 + 2+2+2 +8 +10% =~28
Let's take level 40) for some reasons)).
-90% damage for the dragons. Maybe they will survive, but you need to find such a situation??
I will do it with a level 5 hero.
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