So I fought the boss and lost and now when I try to fight him again the barrier that prevents you from leaving activates before I enter the boss room stopping me from going in
Hey Grim_Knightbane!
Could you show this through a screenshot or clip perhaps?
I am also in need of your Datastore, player.log and player-prev.log.
Their locations are instructed here: How to Properly Report Bugs!
I hope I can help you with this!
Silas