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Marmot, there were no mistakes on this map; the author was very meticulous in creating his maps. The only criticism I have is regarding the Way Home map. One of the last and most difficult battles (Ruined Angel) could actually be skipped (but I still completed it; it was the most interesting battle on the map). The Sphere of Vulnerability can be obtained by bypassing the guardian who requires defeating Ruined Angel, if the player wishes. Although, I'm not sure if the author did this intentionally, taking pity on players who aren't very patient. But on the other hand, it doesn't seem very likely, as he's quite fond of sadistic tricks (for example, almost all enemies in the late game on his maps have the Sign of Courage, meaning they have complete immunity to mind magic).
Regarding the impossibility of translating the text. I don't think this is a problem if you have a prospector and a map editor. We can figure out all the necessary information for completing the game ourselves, even without any text hints.
Added after 32 minutes
Marmot, the enemy in Rampart is only immune to Forgetfulness; Blindness affects him. Yes, and the screenshot doesn't show that the enemy has 2300 Grand Archers. They are the most dangerous of his archers.