Fireball
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The patch will include:
1) fixed battles;
2) separation of single units (optional);
3) possibly, a fix for the Naga Bank (optional, but probably not necessary; we need to decide: sulfur or gems);
That's it.
Regarding the Naga Bank – this is more of a philosophical question. I believe that gems should be there, because in the storages, monsters guard the resource of their castle...
1. People are used to silver.
2. There are always plenty of gems, because on the maps of races that need them, gardens that generate them in large quantities appear. It's often more profitable to get a meager 500 gold.