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I have a few questions about the nether and nether fortresses:

  1. How do you find Fortress in the Nether world? I spend many hours searching, all of them ended with death. I still couldn't find any Nether Fortresses. I am starting to doubt whether they even exist or not.
  2. Is Nether world almost limitless in size, like overworld, or is it limited in size?
  3. Is there only 1 Fortress in Nether world or are there many?
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How to find Fortress in Nether world?

They're there, and will spawn in every world (assuming you aren't using a really old version of Minecraft), though, they can sometimes be difficult to find.

There are a few "quirks" in the generation code that you can take advantage of in order to make finding the nether fortresses easier. Tips taken from The Minecraft Wiki on Nether Fortresses:

  • Nether Fortresses tend to spawn in "strips" aligning along the Z axis (north/south) in the nether. (Tested over 200 seeds so far, the trend is strong in all tested seeds - confirmed with AMIDST.)
  • If you don't see a Nether Fortress within 100 blocks or so north/south of your starting position, it's best to search diagonally or east/west. If you continue searching north/south, you may be between strips and never find one.
  • On the flip side, if you've found a Nether Fortress, it's best to search north/south from there to find more.
  • When trying to spot nether fortresses, a potion of nightvision can help considerably.

If you are not opposed to using external tools or mods, there are several tools which predict where structures will be generated, and create a map for you. The only one I know of off the top of my head (although there are several out there) is Amidst which creates a map of your specific seed, and should work in the nether as well. This will help you find the structures without having to create those chunks by exploring the area first.

Is Nether world almost limitless like overworld or limited size?

The Nether is exactly as limitless as the overworld! (which means, there is technically a limit several million blocks out at which point it starts overwriting old chunks, but there is no chance you can reach that limit "accidentally", you need to travel in a straight line for several real-life days without stopping.)

Is there only 1 Fortress in Nether world or many?

There are many! While there is a hard limit of three Strongholds per world, there is no limit to the number of Nether Fortresses; you can keep on traveling farther and farther, and new fortresses will keep springing up along the way.

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Thank you. Very good answer :) I'll keep searching to those directions. – Gereltod Dec 23 '13 at 17:36
I believe that they changed how the Stronghold works. I think there can now be more than three. – jacen.garriss Dec 23 '13 at 17:54
@jacen.garriss How long ago was that change? They used to have one Stronghold per world, but bumped it to three to benefit SMP servers, perhaps that's what you're thinking of. – IQAndreas Dec 24 '13 at 1:55
@IQAndreas I can't remember, sorry. Maybe I am mistaken. I will try and find more info later. – jacen.garriss Dec 24 '13 at 14:41
"Several real-life days without stopping", more like years. See kurtjmac with far lands or bust, and that is just 12 million blocks (in version 1.7.3 beta) compared to the now 30 million – Judge2020 Jan 31 at 1:23

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