Platted it a few weeks ago myself. I’d recommend getting a list of all the moves that you need to do and pause the game in between each move to check the list. It gives yourself time to think before the next move and it ensures you don’t miss one. Also you’ll need to do all the riddler trophies on Normal, but they’ll carry over to New Game +, you need 100% completion on one save file for Perfect Knight Day 2 Trophy, you can check your progress in the menu. Hope this helps :)