Races and Character Classes

Yes, I think there should be at least one strong combatant in the party. It makes the early game much easier.

I've come up with this party:
Goblin monk, human archer, dwarf cleric, and elf mage. I'll probably go with the Dark faction. I've never seen dark monks and archers :o I don't even remember what they're called. But the cleric and mage are essential. Without them, it will be very difficult.

I agree, the goblin is good, in terms of strength and speed, and the Dark faction's quest, or rather the ninja's quest, is simple: clear out the guild of mages in Bracad, to obtain a scroll that can be used to find the location where the mask is stored. It is located in Erathia and is invisible to the Light faction. This mask is mentioned in a message found in Harmon Dale after the 2nd or 1st restoration of the castle. It describes the torture of a man who named the wrong location of the tomb, and a necromancer expedition was ambushed by golems. Human archer - not a good choice, but for the elves, you can increase accuracy and mana by 2 points for every 1 point spent, which is perfect for an archer. The quest is the same as for the Light faction: find a bow in the Fortress of Titans, which is easy to find using invisibility. It was the first unit in my group to receive an upgrade: sniper.
Cleric, dwarf is a good option, because dwarves increase endurance and strength by 2 points for every 1 point spent, so the cleric won't be killed too early. The quest is simple: on the island of Evenmore, curse the altar. You can do this with invisibility, but there are other necessary items there, and you become a Dark Priest.
Mage - I agree, Lich. Just go through the Walls of Mist. However, there is sometimes a bug where there are no Soul Vessels, so when clearing the caves in Nigon for the Dark faction's quest, take the Soul Vessels, lose them before the Arbiter, go to him and say that you lost them, and then get the second set of Soul Vessels