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Well... it's very rough, unfinished, and unbalanced. The idea is interesting, though. I got lucky with the Summoning skill and managed to break through the wall almost immediately. The Phoenix helped with the traps, and I learned higher-level spells (like Blood Vengeance) by going towards the Light path, but I wouldn't recommend it – why? The answer is in the screenshot – that's the map's gimmick. You can't get Dispel from creatures (they simply don't exist; there are other tiers). There's no Mentor. Higher-level spells are available in the library (screenshot). There are tomes for Summoning and Light. I couldn't pick up the Crown of Leadership – it seems to be glitched. The quests are a bit chaotic (not always clear, not always accurate). Overall, I played it, but I didn't get much satisfaction.
In short, it's a raw product that needs a lot of work.