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1) Remove the 25% hit bonus for monster specialists.
For.
2) Remove classes as a concept, and transfer their functionality to individual skills.
Agree.
3) Additional functionality for skills.
Only for diplomacy.
4) Give armor and logistics specialists a 2.5% bonus per level. Let's not touch offensive specialists for now; they don't seem to be overpowered.
Against.
5) Add Yavor's scripts for the Inferno patch, new constructions, and the symmetrizer to the standard package. Enable the Inferno patch by default (remove the checkbox), and make the rest optional (with a checkbox).
Agree, in favor of optionality.
6) We need to somehow improve the Tavern; it's a very weak Castle. For now, I don't want to touch the heroes from the Tavern; it's still unclear what balance of skills will be established, and heroes alone won't help much, so we need to change the building tree and prices.
For.
7) Let's put aside any complexes about the starting army and give Ufretin, Stricker, Edrick, and Korbak an army like the regular heroes of their respective Castles.
Definitely for.
Regarding dual magic damage – it's an interesting idea. Regarding learning: it seems that the optimal upper limit is 50%.