NPC'S or Non-Playable characters, similar to other traditional MMORPGs, are bots in the game that serve a specific purpose. Each Faction has a set of NPC's consisting of:
Blacksmith- Found in every home city and Yongu. Sells weapons of specific faction, Enchants weapons and has Quest option.
Tailors- Found in every home city and Yongu. Sell armor, gloves and boots of a specific faction, Enchants armor, gloves and boots and has a Quest option.
Collector- Found in every home city and Yongu. Offers Antique feature, Combine feature, Exchange feature and has Quest option.
Elder- Found in every home city. Provides the entrance to the location for upgrading (requires 100 Contribution Points), can combine archives and legends into level 80 skills, and gives out more quests than any other NPC. Elder will also clear stat points for lvl 1-30
Gate Master- Found in every home city and Yongu. Can teleport you to different maps for a small fee, has a banking feature to store your items at a small fee, can give quests, and also will refill your Calabash Bottle for a small price.
Guild Director- Found in every home city. The guy to go to if you need to create or manage a guild, also has a storage feature that is free of charge.
Herb Master- Found in every home city and Yongu. Sells your everyday pills and tabs, also sells Calabash bottles and Scroll of Returns (teleport you to your castle), also gives out quests and can combine some quest rewards or bought items into valuable items.
Mall Manager- Found in every home city. Access the item mall, downgrade, and extract here.
Trader- Found in every home city and Yongu. Gives option to list rare items with12% enchant or more with the use of a commossion reciept. also give the option to view and buy items listed by other people.
Trainers- Found in every home city. Each trainer is specific to a weapon, they can teach you skills you will need in your battles.
Guard captian- Found in every home city. Gives you the option to move to your lvl formation battle's. restiance battle (when available), master maps, and give Quest.
Gambler- Found in every home city. Gives access to the track, has a mini game you can play called dice match, and sells trancinding charm, refinement reciepts and jade exchange receipt.
Master Blacksmith- Found only in Yongu. Sells m31 armor, gloves, boots, necklace and ring. Can Refine gear. Not much is known about how to refine, and what can be refined.