User blog comment:Lykrast/Leon, the warlord/@comment-24501229-20140228163030/@comment-35019468-20140228165831

Those icons are masteries. Warlord, Brute Force, Fury, Frenzy, Devastating Strikes, and Martial Mastery from top to down. Still, it's neat that they all share the same orange palette, making them cohesive.