Title: Lacrimosa
Author(s): elisaexplosive
Rating (if available): N/A
Genre/Tags: angst, psychological, prison, exo, Tao
Warnings: Gore, Character Death
Status (completed/unfinished): Completed
Main Pairing: N/A, Tao-centric
Short Summary: Tao has an obsession with escaping things.  He's escaped plenty of small prisons and is ready to escape a high security prison.  There is one in particular that is known for being impossible to escape and only the most criminally insane get locked up there.  
Link: http://www.asianfanfics.com/story/view/469206/lacrimosa-angst-psychological-prison-exo-tao 

My Thoughts: Very dark and gory.  Lots of dark imagery and symbolism.  And it has a twist ending that will leave your mind completely blown.