@Th3solution I'm still making my way through it as well. The menu tells me I'm about 75% completion now but I don't think that takes into account all the collectables, of which there are many I don't think I've got yet. I started to try and put a dent into the Daedalian keys and Demiguise statues at the weekend having realised that I'd not really done many. At least the Demiguise statues lead to something in terms of being able to get into more places but so far I'm not really sure what the house tokens are going to get me. I also thought I'd done all the Merlin Trials as I'd maxed out the rewards available for those but the trophy completion said just 55% which is when I realised there's a massive section of map that I've not even visited yet. This game is way bigger than I appreciated.
Quests wise I've also enjoyed the Sebastian Swallow storyline. It's had it's fair share of action so far and I've still got a few things left to do on that easily which I'll try and get stuck into this week. Like you say though it does seem to have reached that point where you are throwing unforgivable curses around with reckless abandon and the only person that has an issue with that is Sebastian's uncle. I suppose the Ashwinders aren't going to go and report you to the ministry of magic anyway so I guess that might be how it's fine in the game. I've just been going along without thinking too much about it for the same reason you have really, it's just a fun game to play.
I also did the PS exclusive quest in Hogsmead, the haunted shop. It was quite good actually and probably took me about 40 minutes to an hour to complete and was a good mix of puzzles and action. I think they've generally struck a good balance with the additional
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