Updated November 3rd, 2021, by Charles Burgar: Now that Season of the Lost has released most of its content, this is the perfect time to increase your reputation levels with each vendor. We'll be going over how Vanguard Ranks work, how you can increase your Vanguard Rank with Zavala, and every reward you can expect from farming strikes and Nightfalls. Players that farm strikes and Nightfalls can now expect Masterwork materials, unique cosmetics, and even Exotic Engrams.
Season of the Lost gave the Vanguard a reward system that mimics how Valor and Infamy behave. Related: Destiny 2: How To Increase Your Gambit Infamy Rank
The more of a specific playlist you farm, the more rewards you can expect to earn. Every ritual playlist in Destiny 2-Vanguard Strikes, Crucible, and Gambit-has a unique ranking system that rewards players dedicated to a specific playlist.