to add, there are items, crafted by Tailors, that can change the cosmetic and armor of the Herald/Archer. The Oathbreaker version is purchased from any Capn class trainer (along with the most basic versions of each herald and banner).
you should see the Call To Arms: Archer skill on the trainer, if you are saying you are not seeing it...
"I am always serious; I am never serious." -Me
"I make the most outrageous and exaggerated statements of any man to ever live, has ever lived, or that will ever live." -Me