Characters
Regulus Black, Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Astoria Greengrass, Lucius Malfoy, Ginny Weasley, Neville Longbottom, Fred Weasley, George Weasley, Frank Longbottom, Alice Longbottom, Albus Dumbledore, Blaise Zabini, Pansy Parkinson, Filius Flitwick, Gregory Goyle, Vincent Crabbe, Daphne Greengrass, Rodolphus Lestrange, Rabastan Lestrange, Regulus Black/Severus Snape, Narcissa Malfoy, Tracey Davis, Bellatrix Lestrange, Theo Nott, Lucius Malfoy/Narcissa Malfoy, Rodolphus Lestrange/Bellatrix Lestrange/Rabastan Lestrange, Frank Longbottom/Alice Longbottom, Cassini Lestrange (Harry Potter)/Theo Nott, Draco Malfoy/Cressida Lestrange (ofc), Blaise Zabini/Calypso Malfoy (ofc), Neville Longbottom/Daphne Greengrass, Vincent Crabbe/Tracey Davis, Gregory Goyle/Frances Longbottom (ofc), Cassini Lestrange (Harry Potter), Claudius Snape-Black, Hadrianus Snape-Black
Tags
AU
Not a Crossover
No Death Eaters
John Wick-like assassin culture
Morally Ambiguous Characters
will be brutal and violent
Heed the tags and warnings
Lestranges are good parents
Bad Dumbledore
Clueless Dumbledore
some light Weasley bashing
some light Granger bashing
karma comes down hard on Dumbledore
Summary
A chance observation changes the direction of Harry Potter's life, and the ripples will affect the wizarding world in unprecedented ways. Dumbledore, however has other plans, as soon as he can find his puppet martyr.
Note
Made some adjustments to the chapter. The last couple of paragraphs were a mite confusing, so I clarified them.