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In EA (I hope it will be corrected for release as without spoilers it is a game breaker):
To finish the map,
. you have to light a torch, go to the set of bars, and if your monitor allows it (this is really dark), you'll see a pressure plate trap behind the bars: throw it a stone and it will open a wall on your right...
. there is a switch on east wall of the altar
Post edited December 20, 2023 by ERISS
Not even trying to be rude, but I never know what you're complaining about.