Supernatural and Blacklist Crossovers
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Mister Crowley by VivatRex reviews
Follows the unconventional friendship of the King of Hell and the Concierge of Crime, from a desperate soul deal to the (supposed) end of the world. Completed 4/3/2016.
Rated: T - English - Friendship/Drama - Chapters: 7 - Words: 16,189 - Reviews: 29 - Favs: 89 - Follows: 72 - Updated: 7/18/2019 - Published: 10/29/2015 - Crowley, R. Reddington
An Offer of Services by 332249 reviews
The Feds are always trying to catch the Winchesters (when they know they're alive, at least). When the Counter-Terrorist Unit finally catches Dean, Red takes an interest in meeting new people. Spoiler Warnings up to end of season 12!
Rated: K+ - English - Chapters: 10 - Words: 12,455 - Reviews: 59 - Favs: 118 - Follows: 78 - Updated: 5/23/2017 - Published: 5/6/2016 - Dean W., R. Reddington - Complete