Characters, attributes, races, and classes.

The class system has changed significantly. Now there are only two starting classes: Fighter and Initiate.
However, each starting class is split into two "advanced" classes, and each advanced class is further split into two "elite" classes. This results in 8 final development points, 8 different combinations of advantages and disadvantages.
For example, over time you can turn a Fighter into a Mercenary) or a Crusader). A Mercenary becomes an Assassin) or a Gladiator). Clearly, the history of Chedian differs greatly from that of Earth. In our world, you could only make a mercenary into a gladiator by capturing them as a slave. Hardly what you'd call a successful career. In turn, a Crusader converts into a Ranger) or a Paladin.
Another possible development path is the magical one, from Initiate to a student or Scholar (Scholar is translated exactly as such) or to a Healer). After defending a doctoral thesis, a Scholar turns into a Mage) or a Lich). The second path brings to mind an old song:
“...I'll gather you all together, unless in a foreign land
I happen to die from my own Latin.
Unless the Romans and Greeks drive me mad,
who composed volumes for the library.
Unless those professors who teach the students,
torture the poor Scholar to death...”
Now you and I know how Liches are made.
Finally, a Healer, through perfection, becomes either a Priest) or a Druid).
There's nothing to say about the starting classes; it's obvious—it's Might & Magic—so read the brief descriptions of the advanced and elite classes below.
Mercenary Mercenaries are pure fighters. They do not use magic, but are strong in melee combat.
Gladiator. Gladiators are a direct development of mercenaries; no magic, but very high combat abilities, primarily in melee combat.
Assassin. Assassins are not as good at attacking, but are more elusive. And since they are harder to hit, they serve as even better cover for mages than gladiators.
Crusader. Crusaders are a hybrid class. They gain some magical abilities, but as a result, they are not as strong in melee combat as mercenaries.
Paladin. Paladins retain the combat abilities of crusaders but, additionally, are experts in Light and Spirit magic.
Ranger. Rangers, unlike paladins, specialize in Elemental and Spirit Magic.
Scholar. The analogue of the wizard in M&M8. Specializes in Elemental, Light, and Dark magics.
Mage. A Scholar can successfully master both light and dark magic, but there comes a moment when a choice must be made. A Mage is a scholar who has taken the light path. He specializes in Elemental and Light magics.
Lich. As you have already understood, a Lich is a master of Elemental and Dark Magic.
Healer Healers, of course, are more similar to the Cleric from M&M8 and are strong primarily in healing (Spirit Magic), as well as in light and elemental magic.
Priest. Priests are healers who have finally chosen the path of good. Their assets are Spirit and Light magic. The study of dark magic is limited to the expert level.
Druid. Now here's the letdown. One can imagine 6 combinations of magic: Light & Dark, Light & Elemental, Light & Spirit, Dark & Elemental, Dark & Spirit, Elemental & Spirit. One of the combinations is clearly irritating in its lack of principle (Light & Dark), leaving five.
Four of them are implemented in the Mage, Priest, Lich, and Ranger classes. But the Druid is not the remaining Dark and Spirit option (“evil priest”), but Elemental and Spirit! That is, the same as a Ranger, only worse at fighting and better at casting. That's how it is.
Thus, of the 5 “permissible specializations,” two appear twice (Paladin and Priest, Ranger and Druid), two appear once (Mage and Lich), and one is missing (Dark, Spirit). Although some interesting spells (Dark Spirit, Death's Touch) use this specific combination of magic types.
You can transition to a more advanced class by completing a special quest (Promotion quest). Besides moral satisfaction, promotion provides an increase in the number of hit and spell points added when moving from level to level, as well as the ability to learn new skills. Or to achieve greater perfection in those already known.