Demolitionist

The Demolitionist is an NPC vendor that will spawn once the following criteria have been met:
 * There is an empty house.
 * The player has an explosive in the inventory.
 * The Merchant is present.

If the Demolitionist is killed, he will only respawn if the above conditions are met again. This means an explosive must be placed in the player's inventory again. Having explosives stored in chests or other containers will not fulfill the requirement.

On the, the Demolitionist will lob Grenades at nearby enemies to defend himself.

As stated by the Bestiary, the Demolitionist prefers to live Underground.

The Demolitionist dislikes the Goblin Tinkerer.

Names
The Demolitionist may have any of the following names:

Quotes


In a Corrupt world, also happens in Crimson:

When Dryad is present:

When Nurse is present:

When Arms Dealer is present:

Only at night:

Only during a Blood Moon:

During a :

After defeating Tier 1 of the :

Tips

 * The Demolitionist's weapons – Grenades – are surprisingly powerful, considering how early-on he may spawn in the game. Thus, he can be a great help during Blood Moons.
 * Because he buys Sticky Bombs for a higher price than the price he has for regular bombs, he can be used along with a slime farm for infinite money.

Trivia

 * The Demolitionist's appearance seems to be based on dwarves from many games, films, and works of literature. He is significantly shorter than other NPCs and has a beard. Furthermore, his mining helmet, lantern, and the fact that he sells explosives fits the trope of dwarves preferring underground environments. This is further proved by his Party-exclusive quote. Several of his names are also references to dwarf characters in fiction:
 * Beldin is from the five-book fantasy epic .
 * Durim is a corruption of Durin, a dwarven king mentioned in the books of English writer.
 * Fikod and Urist are generic dwarven names from the indie video game .
 * Gimli is from the epic high-fantasy novel .
 * Morthal is a name of a city surrounded by swamps in the action role-playing video game .
 * Tordak (or Tordek) is a generic dwarf name in the fantasy tabletop role-playing game .
 * Urist is the name of the stereotypical dwarf from the sandbox simulation game Dwarf Fortress
 * The Demolitionist used to have the sprite for the Arms Dealer in the pre-release version.
 * He is depicted in a painting called "American Explosive", thereby, he is most likely of American origin.
 * In one of his quotes, he calls Ebonstone "ebonrock".
 * The quote "" is referring to the term "griefing" used in video games, the act of ruining a player's game with actions such as destroying buildings.
 * His Blood Moon quotes indirectly reference the fact that Clowns carry explosives.

History
Sprengmeister Démolisseur 폭파 전문가 爆破专家