With Bran’s visions, Dany’s power check, and Tommen’s lessons from the High Sparrow, “Oathbreaker” is an hour of learning for the many character of Game of Thrones, an episode steeped in the history, both known and unknown, of the world of Westeros. In the process, it accomplishes two important things in rather elegant fashion, returning the show to some of its core examinations of faith and tradition of earlier seasons with some wonderfully rich material, and consolidating its world even further than the first two episodes did, bringing characters like Osha and Rickon back into the fold, while saying farewell to the would-be usurpers of the Night’s Watch. Naturally, the episode begins where last week’s ended, where Jon Snow has some awful news for the many faithful of Westeros, revealing that after he died, he experienced a whole lot of nothing wherever he went. A quiet, powerful scene reveling in the silence between Davos and Jon, the opening images of “Oathbreaker” establish the