NPC

A Non-Player Character (NPC) is an automated character that provides a service to players. They are a kind of reward for achieving certain feats in Terraria, such as collecting items, defeating bosses, and exploration. Most NPCs are vendors, selling items in exchange for coins, and vice versa. Exceptions are the Guide, Nurse, Old Man, and Angler. A player can utilize NPCs by standing near and right-clicking on them.

NPC General Details

NPCs share many of the stats of a player character. They occupy 3 blocks tall and 2 blocks wide. They are slightly slower than a player and can only jump 3 blocks high; they have 250 and can take damage from monsters (with exception of the Old Man). As of 1.3, each of the NPCs can use a different attack to fight against monsters. Their health automatically regenerates over time. All NPCs (excluding the Old Man and Santa Claus) have randomly chosen names. Many of the names are references to well-known characters from Legend, or in some cases Deities, or Higher Powers of some Religions. Some are even references to well-known games or films.

A list of all currently gained NPCs can be found by entering the inventory screen (default Esc.), then press the house symbol above the armor. To place an NPC in a specific room, left click the portrait of the NPC and then left click room desired, leaving the NPC's banner in the clicked space if the housing is adequate. Clicking on the "question mark" box will allow the player to click on a potential NPC house and tell the player what the house still needs to be ready. If the housing is not enclosed properly then it will simply state that the house is not suitable; otherwise, it will state that the house is suitable. When Night begins, NPCs will walk to their respective banner remaining there until dawn at which point they will walk around and go through doors. If an NPC can't reach its house then when all players move away from it and its house the NPC will automatically teleport to its house. They also go to their houses when it's raining and only come out again when the rain stops (unless it is night time). NPCs will close doors they opened and leave doors alone that was open, to begin with.

Happiness

Introduced in the 1.4.0.1 version, specific NPCs will now be happy or unhappy based on their living conditions, biome, and other town NPCs living near them for example, if the Nurse lives near the Arms Dealer, They will be very happy as they are in a relationship. Happiness affects the prices vendor NPCs will charge, as well as pylon availability. Certain other numerical values (eg. the Tax Collector's maximum money storage) will also be affected.

Vendors

Main Article:Vendors

All vendors will purchase items for the same prices, regardless of what they sell. All purchasable items are worth five times more when bought from the NPCs than when selling them to the NPCs. Items sold to NPCs may be re-purchasable at the same price sold until the player closes the shop screen.

Spawn Conditions

Main Article: Spawn

To spawn all but three of the 25 NPCs (the Guide, the Old Man, and the Travelling Merchant) the player must build a suitable 10x6 home. This consists of a light source, flat surface item, and comfort item enclosed by blocks with a door or platforms to access the outside and proper walls. Furthermore, each NPC has one other unique requirement for spawning which is listed below (more information in the home page). This doesn't exclude the guide, who still requires the same to respawn should he die. NPCs will only spawn during the daytime. NPCs will not spawn during an event or if the house is in an area affected by too much Corruption or Crimson.

When all NPC requirements are met and suitable housing is available, the available NPC will spawn and a banner will appear in the occupied room. Upon spawning a text notification will display:

[NPC Name] the [NPC Type] has arrived.

Multiple NPCs can spawn on the same day. If the housing location is in view of the player, the new NPC will respawn slightly off screen, otherwise, it will spawn in the available housing. A killed NPC will respawn the following day and move back into its house (provided it still meets the requirements). If a house occupied by an NPC is destroyed, the NPC will move out, but will walk around in the same area and will no longer stay still at night until the house is restored or a new one is built.

NPC List

The following NPCs are listed in alphabetical order. NPCs are not gained in a specific order. Click on an NPC's name or image to get more information.

All NPCs require standard suitable housing. A few may have special requirements for housing beyond the standard.

This list was last updated for version 1.4.0.2

NPC Image and Type	Purpose and Conditions	Inventory
Arms Dealer	Sells gun-related items. Spawns any time when the player has a Gun or Bullets in their inventory.	Empty Bullet Flintlock Pistol Illegal Gun Parts Musket Ball Minishark Nurse Hat Nurse Shirt Nurse Pants Silver Bullet Shotgun Unholy Arrow Stake Candy Corn Stynger Bolt Explosive Jack 'O Lantern
Angler	Gives fishing quests, and rewards the player with pirate or fish-related items. Can be found in the Ocean biome.	Does not sell items
Clothier	Sells vanity items such as clothing. Spawns any time after defeating Skeletron. Can be killed if the Clothier Voodoo Doll is equipped to re-summon Skeletron.	Black Thread Pink Thread Summer Hat Plumber's Outfit The Doctor's Outfit Familiar Outfit Mime Mask Beanie Clown Clothes Cowboy Outfit Tam O' Shanter Tiara Princess Dress Guy Fawkes Mask Balla Hat Gangsta Hat
Cyborg	Sells various rockets. Spawns any time after defeating Plantera.	Rocket I Rocket II Rocket III Rocket IV Proximity Mine Launcher Nanites Cyborg Helmet Cyborg Shirt Cyborg Pants
Demolitionist	Sells explosives. Spawns any time the player has an explosive (i.e. Bombs, Dynamite, etc.) in their inventory.	Grenade Bomb Dynamite Roman Candle Hellfire Arrow Land Mine Explosive Powder
Dryad	Sells nature-related items and tells the player the spread of the Corruption/Crimson and Hallow. Spawns any time the player has defeated any Boss (Not including King Slime).	Purification Powder Vile Powder Several Seeds Sunflower Acorn Dirt Rod Several Walls Dryad Coverings Dryad Loincloth
Dye Trader	Sells dyes and Dye Vat Spawns any time the player has any kind of dye or dye material in their inventory. Trades Strange Plants for Special Dyes	Silver Dye Dye Vat Team Dye Dye Trader Robe
Goblin Tinkerer	Sells tools and can re-forge weapons and accessories for a price. Spawns Underground after defeating the Goblin Army and must be unbound.	Rocket Boots Ruler Tinkerer's Workshop Toolbelt Grappling Hook Spiky Ball
Golfer	Sells various golf related items. Spawns in the underground Desert.	Golf Club (Iron) Golf Club (Driver) Golf Club (Wedge) Golf Club (Putter) (in various cosmetic qualities) White Pin Flag Red/Green/Blue/Yellow/Purple Pin Flag Golf Tee Golf Cup Arrow Sign Painted Arrow Sign Golf Ball Golf Whistle Country Club Cap Country Club Visor Country Club Vest Country Club Trousers Lawn Mower Golf Chest Bronze Golf Trophy Silver Golf Trophy Gold Golf Trophy The Rolling Greens The Duplicity of Reflections Study of a Ball at Rest Fore!
Guide	Gives advice to players for game progression and can determine what crafting recipes an item can be used for. Spawns at the start of any map. Needs to spawn in order to summon the Wall of Flesh	Does not sell items
Mechanic	Sells wire, wrenches, and pressure plates. Spawns within the Dungeon when Skeletron is defeated and must be unbound.	Red Wrench Blue Wrench Green Wrench Wire Cutter Wire Lever Switch Several Pressure Plates Actuator Booster Track Mechanic's Rod
Merchant	Sells various items Spawns any time all players have a combined total wealth of 50  in their inventories.	Mining Helmet Piggy Bank Safe Iron Anvil Copper Pickaxe Copper Axe Torch Rope Lesser Healing Potion Lesser Mana Potion Wooden Arrow Shuriken Glowstick Flare Blue Flare Throwing Knife Disco Ball Sickle Gold Dust Marshmallow Bug Net
Nurse	Heals the player for a price. Spawns any time a player uses a Heart Crystal to increase their health.	Does not sell items
Old Man	Prevents entrance into the Dungeon until Skeletron is defeated. Spawns at the entrance of the Dungeon at the start of any map. If Skeletron is defeated, he becomes Clothier.	Does not sell items
Painter	Sells paint and wallpaper. Spawns any time when you get a painting and/or a banner of some sort or 3 or more NPCs lived in your home.	Paintbrush Paint Roller Paint Scraper Several Colors of Paint Several Wallpapers Several Paintings
Party Girl	Sells party items Spawns any time, with a 2.5% chance every day, when at least 14 NPCs have moved in.	Confetti Gun Smoke Bomb Bubble Machine Confetti Bubble Wand Red Rocket Yellow Rocket Blue Rocket Green Rocket Fireworks Box Firework Fountain
Pirate	Sells cannons Spawns any time after the player defeats the Pirate Invasion.	Cannon Bunny Cannon Cannonball Explosive Bunny Pirate Hat Pirate Shirt Pirate Pants Parrot Cracker
Santa Claus	Sells Christmas-related items. Spawns any time the player defeats the Frost Legion after November 25th (IRL). Will die after December 31st and will not respawn again until November 25th (IRL).	Santa Hat Santa Shirt Santa Pants Red Light Green Light Blue Light Christmas Tree Several Garlands Several Bulbs Several Lights
Skeleton Merchant	Sells Torches, Counterweights, Rope, Bomb, and some unique items. Spawns at any time in underground in the Cavern Layer and despawns when the player no longer sees him on his screen.	Bone Torch Spelunker Glowstick Torch Bone Arrow Format C Yoyo Glove Rope Strange Brew Bomb Lesser Healing Potion Magic Lantern Green/Yellow/Red/Black/Blue/Purple Counterweight
Steampunker	Sells Clentaminator, Teleporters, and crafting stations. Spawns any time the player defeats either Destroyer, The Twins, or Skeletron Prime.	Clentaminator Jetpack Steampunk Outfit Solidifier Blend-O-Matic Teleporter 4 Solutions Cog Steam Punk Goggles Steampunk Boiler Flesh Cloning Vat
Stylist	Sells hair dye and can re-customize the player's hair. Spawns any time in Spider Nests and must be unbound.	Hair Dye Remover Depth Hair Dye Life Hair Dye Mana Hair Dye Time Hair Dye Biome Hair Dye Party Hair Dye Rainbow Hair Dye Speed Hair Dye Money Hair Dye Team Hair Dye
Tavernkeep	Sells turret sentries and items used for the Old One's Army event. Spawns as an unconscious man in any layer of the world after the player has defeated the Eater of Worlds or the Brain of Cthulhu.	Ale Eternia Crystal Eternia Crystal Stand Defender's Forge Flameburst Rod Flameburst Cane Flameburst Staff Ballista Rod Ballista Cane Ballista Staff Explosive Trap Rod Explosive Trap Cane Explosive Trap Staff Lightning Aura Rod Lightning Aura Cane Lightning Aura Staff Apprentice's Hat Apprentice's Robe Apprentice's Trousers Huntress's Wig Huntress's Jerkin Huntress's Pants Monk's Bushy Brow Bald Cap Monk's Shirt Monk's Pants Squire's Great Helm Squire's Plating Squire's Greaves Dark Artist's Hat Dark Artist's Robes Dark Artist's Leggings Red Riding Hood Red Riding Dress Red Riding Leggings Shinobi Infiltrator's Helmet Shinobi Infiltrator's Torso Shinobi Infiltrator's Pants Valhalla Knight's Helm Valhalla Knight's Breastplate Valhalla Knight's Greaves
Tax Collector	Taxes other NPCs to gain money for the player. He will store maximum 10 gold. Throw Purification Powder on a Tortured Soul (found in the Underworld) to spawn him.	Does not sell items
Travelling Merchant	Sells various items, with a different inventory each time he spawns. Spawns when there are 2 NPCs in the world, 25% chance of spawning each day, then despawns at the end of the day.	Ammo Box Angel Halo Arcane Rune Wall Blue Dynasty Shingles Brick Layer Celestial Magnet Chalice Crimson Cloak Diamond Ring Dynasty Wood Extendo Grip Fancy Dishes Fez Gatligator Gi Gypsy Robe Katana Kimono Magic Hat Mysterious Cape Pad Thai Paint Sprayer Pho Portable Cement Mixer Pulse bow Red Cape Red Dynasty Shingles Revolver Sake Ultrabright Torch Water Gun Winter Cape Sitting Duck's Fishing Pole Leopard Skin Tiger Skin Zebra Skin
Truffle	Sells mushroom-related items. Spawns any time a suitable house is available in a surface Mushroom biome, after the player defeats the Wall of Flesh.	Autohammer Strange Glowing Mushroom Mushroom Spear Hammush Mushroom Cap Dark Blue Solution
Witch Doctor	Sells Imbuing Station, fountains, and other tribal items. Spawns any time after the player defeats Queen Bee.	Blowgun Hercules Beetle Imbuing Station Leaf Wings Pygmy Necklace Stynger Bolt Tiki Mask Tiki Shirt Tiki Pants Tiki Totem Cauldron Water Fountains Vial of Venom
Wizard	Sells magical items. Spawns any time underground after the player defeats the Wall of Flesh and must be unbound.	Crystal Ball Ice Rod Greater Mana Potion Bell Harp Spell Tome Music Box
Zoologist	Sells animal related items. Spawns when the player has completed 10%/80 pages.	Guide to Critter Companionship Squirrel Hook Cat License Koi Kite Fox Ears Fox Tail Forest Pylon

Notes

Here is a link on how to get every NPC currently available in the game. https://www.youtube.com/watch?v=hJdXDwT79-E

An inn you could build for NPCs

• It is possible to create a housing area where all NPCs will have their biome-specific items available by placing 300 Pink Ice Blocks, 100 tiles of mushroom grass, and 140 tiles of jungle grass/Lihzahrd bricks on the same screen where the NPC houses are located.
• The Guide and the Clothier can be damaged and killed with weapons by equipping the Guide Voodoo Doll or the Clothier Voodoo Doll (respectively) in an accessory slot. Other NPCs can only be damaged and killed by monsters, lava, boulders, traps, or Rotten Eggs. They can also die from drowning in Water or Honey.
• If you leave a bound NPC without rescuing him or her, the NPC will despawn and respawn later at another location.
• All female NPCs (excluding Party Girl) become irritable during a Blood Moon, snapping at the player when being talked to.
• NPCs can live in houses made from Demonite/Crimtane bricks.
• Santa Claus can be force-spawned during any month by setting the date of your device to December 15-31. He will move into an available housing space as long as the Frost Legion has been defeated.
• The Lost Girl is not an NPC, but rather, a dangerous disguised enemy.
• The Merchant, Santa Claus and Wizard have the same head texture, although they each have different headgear.
• The Angler doesn't technically die, instead he leaves.