May 18, · Terraria All Discussions Screenshots Artwork Broadcasts Videos Workshop News Guides Reviews You will need to raise the happiness of any NPC Vendor before they will sell you Pylons for the biome they are currently in You can have a max of 2 NPCs within 25 blocks and a max of 4 NPCs within 1 blocks, otherwise it will be considered "overMay 17, · Terraria NPC Happiness Biomes Forest, Surface Snow Desert Jungle Ocean Mushroom, Surface Underground Placing your NPCs in their preferred Biome will increase their happiness levels Having happy NPCs meansMay 19, · Keeping the NPCs in Terraria happy lets you access a bunch of cool and rare items, but they can be a little fickle You'll encounter various NPCs during your travels through the different Biomes in Terraria Npc Happiness Housing Guide Steam Lists Terraria npc happiness pylons