NPCs/emotes

Emote	Condition
Combat
	If the speaking NPC is near an enemy.
Weather
	When cloudy.
	When raining.
	When nighttime and raining.
	In a blizzard.
	When sunny.
	In the Hallow.
Events
	During a Party.
	During a Blood Moon or rarely at night.
	During a Solar Eclipse or rarely in Hardmode.
	If a Shadow Orb has been smashed or a Meteorite has fallen.
	While Pumpkin Moon event is active or it is night and Pumpking or Mourning Wood has been defeated.
	While Frost Moon event is active or it is night and an Ice Queen or Santa-NK1 has been defeated.
	During an Old One's Army event or after it has been defeated once.
Debuffs
	If the player is On Fire!, has a Cursed Flames, is in the Underworld, or the NPC being spoken to is on fire.
	n/a
	If the player is Poisoned, the NPC being spoken to is poisoned, or the player is in the Jungle.
	If the player currently does not have the Whoopie Cushion selected in their hotbar.
Items
	n/a
	n/a
	n/a
	n/a
	n/a
	n/a
	If the player is below half health.
Other NPCs
	If the respective NPC is alive in the world.
Biomes
	If the player is near Space (above 55% altitude of the surface).
	If the player is Underground.
	If the player is in the Underworld.
	If the player is in the Hallow.
	If the player is in the Corruption.
	If the player is in the Crimson.
	If the player is in the Jungle.
	If the player is in a Snow biome.
	If the player is at an Ocean.
	If the player is in the Desert.
	If the player is in a Forest.
Critters/Enemies
	If it is daytime.
	If the sun has not risen (includes some areas of sunrise/sunset).
	If the Goblin Army has been defeated.
	If the Frost Legion has been defeated.
	If a Pirate Invasion has been defeated.
	If the Martian Madness event has been defeated.
	If the world generated with Crimson.
	If the NPC is Underground.
Emotions
	n/a
	More common during night or a Blood Moon.
Bosses
(Corruption worlds) (Crimson worlds)	More common if only up to Eye of Cthulhu has been defeated, less common if future bosses have been defeated.
	More common if only up to Eater of Worlds or Brain of Cthulhu has been defeated, less common if future bosses have been defeated.
	More common if only up to Wall of Flesh has been defeated, less common if future bosses have been defeated.
(if not defeated) (if not defeated) (if not defeated)	More common if only up to one mechanical boss has been defeated, less common if future bosses have been defeated.
	More common if only up to Plantera has been defeated, less common if future bosses have been defeated.
	More common if only up to Golem has been defeated, less common if future bosses have been defeated.
	More common if only up to the Lunatic Cultist has been defeated, less common if future bosses have been defeated.
	If the Pirate Invasion has been defeated and the world is in Expert Mode.
	If the Martian Invasion has been defeated.
	If an Ice Queen has been defeated.
	If an Everscream has been defeated.
	If a Santa-NK1 has been defeated.
	If a Pumpking has been defeated.
	If a Mourning Wood has been defeated.
	If the Empress of Light has been defeated.
	If the Queen Slime has been defeated.
NPC-specific behavior
	Used more often by Merchant.
	Used more often by Nurse.
	More common when the Arms Dealer is talking to the Guide.
	Used more often by the Arms Dealer.
(if alive)	Used more often by Dryad.
	Used more often by Guide if night.
	Used more often by Guide if not a Blood Moon.
	More common when the Guide is talking to the Arms Dealer.
	Used more often by Old Man.
	Used more often by Demolitionist.
	Used even more often by Demolitionist during a Blood Moon.
	Used more often by Clothier during a Blood Moon.
(if alive)	Used more often by Clothier when not during a Blood Moon.
	Used more often by Goblin Tinkerer when not speaking to Mechanic.
Never uses	More common when the Goblin Tinkerer is talking to Mechanic.
	Used more often by Wizard.
(if alive) (if alive)	Used more often by Mechanic.
	More common when the Mechanic is talking to Goblin Tinkerer.
	Used more often by Santa Claus.
	Used more often by Truffle.
	Used more often by Steampunker.
	Used more often by Dye Trader.
	Used more often by Party Girl.
	Used more often by Cyborg.
	Used more often by Painter.
	Used more often by Witch Doctor.
	Used more often by Pirate.
(if alive) (if alive)	Used more often by Stylist.
	Used more often by Traveling Merchant.
	Used more often by Angler if not a Blood Moon.
	Used more often by Angler if not Underground.
	Used more often by Skeleton Merchant.
	Used more often by Tax Collector.
Rock-paper-scissors