Town NPCs

The Calamity Mod adds four friendly NPCs to provide the player with a multitude of weapons and buffs in progression. These NPCs only move to the player's house once their requirements are met.

Nurse Price Scaling
In Revengeance Mode, the price of the Nurse's healing scales with progression in the game. The price for healing will also be multiplied by 5 if any bosses are alive.

Items sold
Some vanilla NPCs have new items sold under certain conditions.

Quotes
Vanilla NPCs will have new additional quotes that can be seen under certain conditions.

NPC Names
Vanilla NPCs can have new additional names in honor of certain Patreon donors.

New names for the Angler:
 * Dazren

New names for the Arms Dealer:
 * Drifter
 * Finchi

New names for the Clothier:
 * Joeseph Jostar

New names for the Dryad:
 * Rythmi
 * Izuna

New names for the Guide:
 * Lapp
 * Ben Shapiro
 * StreakistYT
 * Neoplasmatic
 * Devin
 * Woffle
 * Cameron

New names for the Mechanic:
 * Lilly
 * Daawn

New names for the Nurse:
 * Farsni

New names for the Pirate:
 * Tyler Van Hook

New names for the Steampunker:
 * Vorbis
 * Angel

New names for the Stylist:
 * Amber

New names for the Tax Collector:
 * Emmett

New names for the Witch Doctor:
 * Sok'ar

New names for the Wizard:
 * Mage One-Trick
 * Inorim, son of Ivukey
 * Jensen
 * Merasmus
 * Habolo

Trivia

 * Some added NPC quotes include references to other media.
 * The Guide's quote related to the Astral Infection is a reference to Obi-Wan Kenobi's "Disturbance in the Force" quote from the original Star Wars film.
 * The Merchant's quote involving lamps is a reference to the attraction of moths towards lamps as well as the "moth lamp" meme.
 * The Dye Trader's quote asking if the Archmage knows how to "let it go" is an obvious reference to the popular song "Let It Go".
 * The Clothier's quote when Moon Lord is alive is a popular quote from the Apollo 13 mission.
 * The Clothier's other quote is a reference to the theme of the show Ghostbusters.
 * The Cyborg's quote is a line from a famous monologue from the 1982 film Blade Runner.
 * The Painter's quote when in the Desert references a famous quote from the film Star Wars: Episode II - Attack of the Clones.
 * The Clothier's donator-requested name "Joeseph Jostar" is a reference to a character of a similar name from JoJo's Bizarre Adventure.
 * The Wizard's donator-requested name "Merasmus" is a reference to a character of the same name from Team Fortress 2.
 * Both the Sea King and the Archmage were both recurring characters in the mod's lore for a long time, even before they were added as Town NPCs.
 * The way that the Archmage drops from Cryogen is a reference to the lore.
 * The internal variable for finding the Merchant's name is called "angelstatue".