I’m at the part where Isabella is in the cave near Belize. When you find her location, there’s a henchman you have to kill, then you have to sheathe your sword to talk to Isabella. When you finish talking to her, Salvatore spawns in; you talk to him, he draws his sword, but I get the message “you can’t fight here”. Equipping another weapon in the menu doesn’t help. All I can do is run, or press X to heal.
I’ve tried running out of the cave and going back in, which allows me to draw my sword and kill him, but then I can’t talk to Isabella. I made a separate save slot after trying this, reloaded that save, and she still won’t talk to me. I don’t know what else to do.