Post-HBP; Following a trail of mysterious messages with a Yin & Yang symbol on them, Harry comes to certain devastating revelations, pushing him down the path to darkness. Dark!Harry, no romance.
Harry Potter joined Voldemort when he was eleven... Dark!Harry. No slash.
AU: It does not pay to underestimate Harry Potter. Illusions are shattered as a young Lord rises to power and casts off those that deter him. Independant!Political!Powerful!Dark!Harry, HarryChoTonk...