When the shadow-monsters are gone, they're left with their final task -- grabbing the spear.

But the illusion they saw made it clear how dangerous that is. The spear is clearly a powerful artifact, capable of subduing the literal wrath of God. And with it corrupted by the spirit of Adolph Hitler, anyone who touches it will find themselves almost immediately corrupted. They have to decide amongst themselves which among them is pure-hearted enough to withstand the corruption of the spear long enough to at least get it into its magical case.