Useful information: HoMM3 Software.

Playing as demons often makes it inconvenient to search through the demonization table, especially if a motley crew is being sacrificed, and time is wasted on counting or searching. I decided to create a more convenient and informative table so that the necessary units are immediately visible and it is clear "how many of each" are needed to sacrifice efficiently. However, it won't work for Warlord-level players, as I was too lazy to write formulas for unit levels.