- A reference guide and manual in Russian for Heroes 3.

It's not entirely accurate that joy and sorrow fall into
two subgroups of spells at once.

It's accurate – some spells fall into both fire and high-level groups simultaneously, and that suits the situation; that's the main thing.
(20-49) isn't ideal, of course. I couldn't come up with anything better – ?)

Added 6 minutes later
The posts are helpful, thank you.)

Added 1 hour 11 minutes later

Especially since there are good, duplicate tables below.

During gameplay, every second counts – looking at a bunch of different tables and calculating how many are in one stack and how many in terms of the game is unrealistic. But this is more or less...