Issues in the passing game (Dante's Inferno)

Think already thousands of people managed to get this game, but videogayd the passage yet (because the game will officially be released February 9), for this I suggest you ask here about the problematic aspects on which you stopped.

I'll start. Somewhere in the 3-5 hour game there is a moment where the pour lava in an iron dish, and the bald statue rises, she pierces his head a bright beam of light. Next, I show a door and everything. How to get there? And why the need for standing beside the box?