NPCs

Benign NPC
ArcheAge has NPC that are offering useful functions like
 * Warehouse Manager (Bank)
 * Skill Manager
 * Auctioneer
 * Blacksmith
 * Honor Point Vendor
 * Stablemaster
 * General Goods Vendor
 * Sapling Merchant
 * Seed Merchant
 * Lifestock Merchant
 * Carpenter

Hostile NPC
Hostile NPC are either hostile in general or depending on faction status or how close one gets to them or if they are attacked first.

Memorable hostile NPC are
 * the Kraken
 * the Worlddragon