So, today the Demolitionist appeared, and night has now fallen, but instead of going to the cosy NPC friendly house I had ready for him, he seems to constantly wander between my house and the guide's house (which actually has an empty floor that he could move into anyways).

See this picture for detail:

Get your mouse off my picture...

As you can see, the demolitionist seems torn between my humble abode (circled in red), and the house of the guide, who has a free floor anyway (circled in blue). He won't settle anywhere, not in the empty floor in the guides house, or the lovely house I had build in anticipation of his arrival thats off screen to the right.

The noise of him constantly shutting and opening the doors is driving me insane, and the dark thoughts of going on a quest to find lava and commit demolistionisticide are growing even stronger with every second.

  • It seems in this case that there was no problem with having a legit room for the demolitionist to inhabit - but I believe that is a common problem. For posterity - the room needs to have a chair, a table, walls, a ceiling - and very importantly - a solid back wall. If even a tiny part of the back wall is not filled in, the room will not be considered suitable. – EBongo Sep 19 '13 at 11:58

10 Answers 10


If your demolitionist has claimed a room offscreen, you may need to go far enough away that he teleports 'home'. He's not going anywhere because he can't reach his house in the first place.

  • 1
    Actually, the entrance to an NPC's house can be either a door or wood platforms, according to the wiki. I have at least one NPC in my world which is happily living in a wood platform-entrance house. – wersimmon Aug 17 '11 at 15:22
  • @echoback - oh, that's interesting. – Raven Dreamer Aug 17 '11 at 15:40
  • 1
    I have never witnessed an NPC climbing wooden platforms to make it to their house. I have always had to either travel far offscreen or save/reload the world to make them teleport into the house. They don't seem to use wooden platforms to leave the house either. I've exploited this to keep them conveniently stashed in a floating building immune to blood moon/goblin invasion. – OwenP Aug 27 '11 at 16:12

Kill demolitionist with lava. Then he will respawn after some time. And maybe he will choose more desirable place :-)

When NPC begin to live in house not suited for him, I kill NPC and destroy chair and table. And in next time NPC chooses another house :-) After that I place taken off object on their place.

P.S. Magma is a solution for every problem :-)

  • 10
    Clearly, you're subscribing to the Dwarf Fortress school of Thought. I approve. – Raven Dreamer Aug 14 '11 at 14:46
  • 3
    Yes, I like Dwarf Fortress very much. – George Gaál Aug 14 '11 at 15:03
  • Magma for the W! – Moshe Aug 14 '11 at 17:31
  • Magma. What can't it fix? – edsobo Dec 16 '11 at 15:52

For me, the issue was the middle of the room was too dark, so I just added more torches.

For some reason, It will say that its suitable instead of saying it needs light source.


If you are trying to get the demolisionist to move into a house which is on an upper floor, I find the easiest thing to do is to build a wooden PLATFORM staircase up to his room. You can make this go as high as you want. You will need a background wall too by the way. If he simply won't move into any house, lower floor or upper floor then the room either isn't valid (in which case you will need to make sure all the walls are filled in, there is a table, chair and torch. You can check if a room is valid by checking in the housing menu) or he legit can't reach his house, in this case you will have to make it easy for him to reach.


you can go to your inventory and click the pixelated picture of a house and click an N.P.C, then click on the house you want him or her to go to, but before doing that, build another home for the N.P.C who's living in the house and move them to that empty house if there is one living there. If not, make sure that everything that is needed for a house to be a real house, here's what you need: 1.A Door 2.A Table 3.A Chair (or two) 4.And a Light source. (Like a Torch or a chandler, or a lamp)


NPCs can't jump more then 3 blocks and don't know how to use platforms/ropes (they can use platforms if they are converted to stairs)! The second floor of the guide house (blue) is more then 3 blocks high from the ground! He will be automatic teleported to the house on the next night.


If you've already set the NPC's flag to the house you made, when night falls, try to avoid having the NPC and its designated house on the screen.


In end up the demolitionist moved into the house I expected, it just seemed to be taking longer than usual.

So I can confirm that the above setup does in fact work.

  • both of these answers were incorrect, the demolitionist coukd reach his house, as it was a valid home, and i did not need to force him to respawn. There was actual information in that i confirmed that the set up in picture does infact work as a house for NPCs, contrary to what was suggested in the answers. – BigStuuu Jul 21 '12 at 15:30
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    So you actually saw with your own eyes the NPC jump up into his house? – kotekzot Dec 5 '12 at 12:26

magma or get a voodoo doll. which allows you to kill NPC's.. gained by killing a voodoo daemon


go in your inventory, click housing (the little house icon), click the demolitionist and click the house you want him to go into. then go far offscreen or exit the world for a minute or two and he will be in the house you chose for him.

  • 2
    This answer doesn't add anything that hasn't been stated in previous answers – wcarhart Aug 24 '16 at 2:43

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