The Enemies challenge is now closed. Here are the entries for this round:

Captain America/Avengers: fic: Five Times Brock Rumlow Tried to Give his Speech by daria234
Sherlock: Fanart: Oddly Enough, No by lothiriel84
The Crucible (Arthur Miller): fanfic: John Proctor: Thoughts from a Prison Cell by thesmallhobbit
FAKE: Fanfic: Best Of Enemies by badly_knitted
Sherlock: Fanart: Angel and Demon by love_jackianto
Parade's End: Fanart: Odi et Amo by lothiriel84
Torchwood: Fanfic: Enemies in the Workplace by iantojjackh
Doctor Who: Fanfic: Collecting Enemies by badly_knitted
Due South: Fanart: Frannie's Enemy by love_jackianto
FAKE: Fanfic: Not Dying Today by badly_knitted
Magnificent Seven: Fanfic: Inner Enemy by donutsweeper
TMNT: FanFic: Friends Like Them by katleept
Captain America: The Winter Soldier: fanfic: A Matter of Trust by elen_nare
Once Upon A Time: Fanfic: A Kiss So Deadly by salmon_pink
Sherlock (BBC): Fanart: The Arch-Enemy by tardisjournal
The Silmarillion: Fanfic: Your Brother's Enemy by brookeoflorien
Various: Vid: The Classical Villain by treonb
Gormenghast: Fanfiction: "Utter Hatred" by mtxref_fic
Thor: Fanart: Enemies with Benefits by omens
Star Wars: Fanfic: Wanting To Understand by lady_katana4544
Guardians of the Galaxy: Fanfic: Sisters in Arms by fengirl88
The Silmarillion: Fanfic: Tûr Lost, Thand Coth by lferion
Tolkien: Fanfic: Nauca by morgynleri
Final Fantasy VII: Fanfic: scratching the itch by mako_lies
Kamen Rider Gaim: Fanfic: Mowing Down The Strong by estirose
Star Trek Enterprise: Fanfic: Unforeseen by mareel
The Losers (2010): Podfic: Full House, Queens Over Knaves by mergatrude

Thank you to everyone who played! \o/ You're now free to post your entries to your journal or archives or wherever. If you're archiving on AO3, you can add your work to our fan_flashworks collection" there.

Also, congratulations to those who earned name tags and achievement badges in this round:

badly_knitted earned Governor of Gendom
fengirl88 earned Governor of Gendom, 6 Challenge Streak, Female Character, The Heartbreaker, Complexity Theorist
lferion earned 6 Challenge Streak, The Early Bird, Beta Boss
lothiriel84 earned The UnStoppable
mako_lies earned a name tag
mareel earned 12 Posted Works, Governor of Gendom
tardisjournal earned 12 Posted Works
thesmallhobbit earned Brave New Fandoms, The Yulegoat

Yayayay! Great work, people!!

And if you missed the deadline, don't despair: we have an amnesty round coming right up.