Storyteller

The Storyteller is a town NPC which will spawn with the following conditions: If the Storyteller is killed, he will only respawn once those conditions are met again.
 * There is an empty house.

The Storyteller will use the following weapons to defend themselves: The unique part of the Storyteller is their "Help" option. They will, at the time, give a hint towards summoning a boss and tell some lore.
 * Starfury (Pre-Boss)
 * Enchanted Sword (Pre-EoW)
 * Enchanted Sword (Pre-WoF)
 * Frostbrand (Pre-Mech)
 * True Excalibur (Post-Plantera)
 * Influx Waver (Pre-WM Boss)
 * Etc.

The Storyteller has no shop.

King Slime
Ah yes, that hunk of gel. It devoured many slimes in it's day, and eventually devoured a ninja who was sent to fight it. If you built a homage to it, a hunk of gel with a crown, or killed enough slimes while they are raining from the sky, it may attack you.