There's a large list of Top!Sherlock/Bottom!John fics here -> http://hestia14.livejournal.com/1004.html Some of which have sub!John/slave!John etc.
My favourite vampire!Sherlock fic: Take a Bite -> http://sherlockbbc-fic.livejournal.com/10852.html?thread=53452132 but it's basically really well written vampire Sherlock/John porn ;)
Semper Fidales-> A long, not-quiet-finished fic (we've had the hurt and the rescue but the Holmes boys have a lot of groveling yet to do before we get to the comfort) http://blind-author.livejournal.com/7418.html#cutid1 Written for this prompt-> "Moriarty frames John and Anthea of betrayals which cause both of the Holmes brothers to cut them off. Cue BAMF!John and BAMF!Anthea doing their best to clear their names"
Reaction -> Long fic with lots and lots of John hurt/comfort http://blind-author.livejournal.com/636.html (Warnings:non-con)
The Powers of Evil-> Long bookverse gen fic with John being competent and H/C for a few chapters at the end -> http://www.fanfiction.net/s/4033951/1/The_Powers_of_Evil "Hound of the Baskervilles AU. Watson stumbles upon the truth about Stapleton before he discovers Holmes on the moor. When the Doctor disappears, Holmes realizes he must act quickly against the powers of evil at work upon the moor."
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Date: 2011-10-02 12:49 am (UTC)My favourite vampire!Sherlock fic:
Take a Bite -> http://sherlockbbc-fic.livejournal.com/10852.html?thread=53452132 but it's basically really well written vampire Sherlock/John porn ;)
Semper Fidales-> A long, not-quiet-finished fic (we've had the hurt and the rescue but the Holmes boys have a lot of groveling yet to do before we get to the comfort) http://blind-author.livejournal.com/7418.html#cutid1 Written for this prompt-> "Moriarty frames John and Anthea of betrayals which cause both of the Holmes brothers to cut them off. Cue BAMF!John and BAMF!Anthea doing their best to clear their names"
Reaction -> Long fic with lots and lots of John hurt/comfort http://blind-author.livejournal.com/636.html
(Warnings:non-con)
The Powers of Evil-> Long bookverse gen fic with John being competent and H/C for a few chapters at the end -> http://www.fanfiction.net/s/4033951/1/The_Powers_of_Evil
"Hound of the Baskervilles AU. Watson stumbles upon the truth about Stapleton before he discovers Holmes on the moor. When the Doctor disappears, Holmes realizes he must act quickly against the powers of evil at work upon the moor."
I hope this helps :)