Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
Threats to Viktor with this build
|Yasuo||Yasuo is your 100% counter, the reason is because you are so squishy, so Yasuo can destroy you, also with his W he can block your e, and after that go to you and kill you.|