Fics like Deeper and Deeper into the World

When Metatron breaks free of the library, Castiel’s grace in hand, and disappears, Castiel is left human-- and angry. Angrier than he’ll admit until, late at night, Dean coaxes it out of him: Castiel is pissed and he wants revenge. He wants it enough to pursue Metatron, reckless and without a plan, across the Atlantic with Dean at his side, knowing how badly he wants Dean and how likely it is that one or both of them will die along the way. Their search takes them all across the world, from London to Omsk to Tokyo and between. Far from home with no one but each other, Castiel’s grace missing and the Mark still on Dean’s arm, Dean and Castiel find the flimsy barriers between the two of them dissolving. (Canon-divergent from 10.18.)

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