My god guys read the instructions. Download the lightning injector, right click, open as admin.
Type process name "blackshot" , press add dll, choose his masteryhack.dll, go to settings, tick auto inject.
create a bunker defense room and start. press end in game(or before, also works.)
play as normal, until the match ends. then check your mastery for the results.
I have tested it with a new character and i have posted the results in a another comment yesterday. find it for more info..