NPCs are non-play characters that are usually found in The Tower. Some NPCs act as Vendors and sell items to the players, while others offer a variety of services.
Bounty Tracker - provides players with bounties
Crucible Handler - exchanges Crucible Armor for Crucible Marks
Crucible Quartermaster - exchanges Crucible Weapons and Sparrows for Crucible Marks. Accepts materials for Crucible Marks and Reputation.
Cryptarch - sells and identifies Engrams.
Dead Orbit Vendor - exchanges
