7.2 Has introduced many new changes to the Artifact Trait system.

How do i level my Artifact Weapon now? New golden Trait -> Strong 4/4 Traits -> rest

Greyhound, Wowhead Guide writer, Ravenholdt moderator and Dank memer has created some simple images to show the optimal Artifact paths for 7.2. Follow him on Twitter or Twitch.

Assassination

Outlaw

Subtlety