Forge Of Wills
Of all the Titan-Forged Keepers entrusted with the progression of Azeroth following the war with the Black Empire, Mimiron may be the most clever and inventive.
I fully expect Odyn to be a raid boss at some point in the future.
When last we talked about the Titan-Forged, they'd defeated the Old Gods and imprisoned them deep within Azeroth itself, then began their process of shaping the world in order to preserve its World-Soul and shepherd it to awakening as potentially the greatest of the Titans.
In the distant past, Aggramar the Avenger discovered a World-Soul by sensing its powerful dreams across the vast distances of the Great Dark.