Dark matter is a bit past being just a placeholder now. We've been able to see some of its effects in clusters. We just can't interact with it. Dark Energy? Now that's the placeholder.
Madness string 105850
Will fades when purpose is forgotten. No matter the oaths with which we bind ourselves, they lose all meaning when the context of their binding is lost. There is no strength of will nor faith nor purpose that can surpass the nature of our being. There are circumstances in which anyone will break, and must, for it is the only thing that can be done.