Interesting tidbit. Once you reach the lower city, Wyrm's Crossing no longer lags when you return to it.
I have a theory that it might be to do with the assets itself, I mean I know that's pretty obvious, but I went about walking through the map yesterday, very slowly and methodically to each quick travel sigil, and each time it froze the NPC's, I would backtrack a little and they would unfreeze. I was then able to take a few more steps before it would freeze again, usually when you enter a different district of a map area, so when I hit a hard barrier in progress and it would freeze persistently, I would backtrack to the last fork in the road and take the other path, at which point, upon activating the next sigil, it would start to freeze a lot less, it would still freeze for a minute or so, but not the 20 minute freezes I was experiencing. This possibly suggests that the biggest issue is when you try to load large areas of the map too quickly for the first time. I have no idea how and why, or why it should get better after you have activated the quick travel point, but I'm not a game dev so I just have to hope that someone reads all of these posts and suddenly gets a lightbulb ping moment. I know they have issued a workaround for the coding on the PC version, but consoles not being so easy to fix, I can see this one being a real pain and something that they will NEED to get fixed before the Xbox release or really face the wrath of the fandom.
