Easter egg: On Disc 2 go to Special Features, highlight The Production From Hell and press Right. Then click OK. This will take you to a 3D clip of different scenes and outtakes, plus a commentary.
Easter egg: On Disc 2 go to Special Features, select The Production From Hell, highlight Main Menu and click left. This will make a cross visible. Click OK. This will take you to some stunt coordinations.
Easter egg: On Disc 2, go into Visualizing the Underworld, and hit right on the first option to see a short feature on Balthazar.
Chosen answer: According to the legend of "The Spear", it is indestructible.
Nick Bylsma