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The first three tiers of the Light Faction's racial ability are quite tolerable, but the last one, in my opinion, somewhat disrupts the balance. In general, this skill is very helpful when used on guardians/guards protecting several nearby friendly units. The scale fills up quite quickly.
As for "Necromancy," there's nothing to say. Most inexperienced players choose the undead because even they can somehow manage to win with them. An extremely unfair ability. The effect is incredible, and the scale fills up faster than for the other factions (with the exception of the Barbarians, but that's forgivable for them). Let's hope for a balance adjustment that weakens the Necropolis army.
If any faction didn't get lucky with its racial ability, it's the demons. "Gate Opening" only reaches its proper effectiveness on the fourth level. Of course, the previous three can also be used, for example, to block enemy archers... But no, Inferno is already claiming the title of the weakest faction out of the six, and this ability, which fills up much slower than the others, only makes things worse. Unfair. Fortunately, the upcoming patch will strengthen the demon troops, which will at least help them.
For the Barbarians, the scale fills up very quickly, but this is compensated for by a not-so-impressive basic effect. The last two tiers of the orc ability are much more useful. Everything is fine here.
I consider "Honor" to be one of the most interesting abilities (both in concept and in practice). An original ability. Starting from the second level, it begins to provide a pleasant 14% health increase, from the third – damage reflection, and from the fourth – freezing. "Eternal Winter" will be very useful here. I don't know, I like it: well-thought-out, moderate, interesting.
In short, the conclusion is that there is an imbalance. It is necessary to halve "Guardian Angel IV," significantly weaken "Necromancy," and strengthen "Gate Opening." Otherwise, humans and the undead will continue to lead, while the demons... will be last.