Yes, you really really do. It's not like we're bloody X-Men and can melt through the walls of it.
Nothing like this. Nothing has ever come close to this before. The power shift from Azazel to Lilith was actually pretty smooth in comparison to this.
You got one man from the rack with, what, a legion of angels at your back? And considering Dean had already served his purpose, Lilith wasn't actually all that bothered. This is not the rack, this is the Cage, the very lowest and darkest level of Hell.