Tutorials/Entry Points to the Internet

Making a hole in space-time known as a "Portal to the Nether" can serve many purposes. Consequences of these portal mechanisms are discussed in detail here.

To begin, portals carry inherent dangers. [ ]

To avoid spawning over lava, in midair, or inside rock, portals will spawn nearby instead. A new Overworld portal is more likely to appear next to a chasm, lava lake, or netherrack wall. There is also no way to tell if the landscape-created lava source will actually cause lava to flow through the portal. A portal can also appear on Soul Sand outcrops, one-block-thick ledges and floors.

The inhabitants of the Overworld can congregate at portals. [ ]

Overworld portals should be locked to keep monsters from stumbling in. These mobs can build up in the Nether over time because there is no sunlight to burn undead and because, in the absence of a player, only 15 seconds pass for each new entry. As a result of the squishy netherrack and the risk of falling into the lava, mobs like creepers are particularly difficult to deal with in the Nether.

The Portal-Making Process [ ]

Obsidian cultivation [ ]

To learn more about Obsidian farming, check out our Tutorials section.

Fabricating a portal without using obsidian [ ]

If you don't have a diamond or netherite pickaxe, you can still craft a nether portal by casting lava in a mold made of other blocks and then turning it into obsidian with water.

A Guide to the Filthy Nether Portal (as Seen on YouTube)  

A fast, easy method requiring only a lava pool, a water bucket, and a few bricks [ ]

At a minimum, you'll need six blocks, a bucket of water, a lava pool, and some kind of sparking tool. It is advised that you use some sort of blockbuster device.

1. To begin, position a block on the rim of a lava pool.
2. Put the water to the block's left.
3. Burn the building down.
4. Do not drop the water.
   • Assuming the top two blocks are also obsidian, everything is on the right track; however, you need all four of them to complete the puzzle. Proceed to Method 5
   • It's imperative that you smash the bottom two blocks if they aren't made of obsidian. After they're broken, fill them with lava and let the water run through to solidify the lava into obsidian. All set? Move on to step 5 once you've deposited all four obsidian blocks.
5. Set those two bricks in place.
6. Set those four cubes down.
7. Set up a water source
8. Quick, get the water and use flint and steel to open the gateway to the underworld. Gravel and steel are necessary to accomplish that.

Mechanisms of Portals [ ]

A portal will attempt to connect at its equivalent position in the Nether based on its Overworld coordinates (X,Y,Z) and its inverse (X/8, Y/8, Z/8). But, as the old adage goes, "the devil is in the details."

• After the player enters their current X and Z coordinates, the game uses the formula above to determine the "ideal" destination coordinate. Once a chunk's proximity is determined, it looks for any portals (physical portal blocks) that may already be there.
  • While in the Nether, it looks in a 3x3 chunk area (including both the chunk where the "ideal" coordinates are located and the two adjacent chunks).
  • Overworld travel expands the search area to 17x17 chunks (or up to 8 chunks away from the original point).
  • Vertical range of the world is scanned in both dimensions.
  • In the case of a portal with two 3-high columns, as in a "standard" portal, only the bottom block is taken into account.
  • If any portals are located within this area, the passenger will be teleported to the one that is the closest to them according to the Euclidean (not taxicab) distance in all three coordinates. It is possible to avoid the closest portal in X and Z by using a different Y coordinate.
• In the absence of any nearby portals, the game will attempt to construct one:
  • It looks for the player's location within 16 horizontal blocks (but not vertical)
  • Three and a half buildable blocks with four feet of air above all 12 blocks constitute a valid location for the first pass. If there's enough room, the portal's orientation will be completely arbitrary. It is always the closest valid position in the 3D distance that is selected.
  • A 1x4 area of constructible blocks, with air still 4 high above them, is tried if that doesn't work.
  • Should BOTH of the aforementioned strategies fail, the game will automatically open a portal:
    • In this case, we use the ideal X and Z coordinates but restrict the Y coordinate to a range from 70 to 10 below the global height (i.e. e numbering 118 in the Underworld and 246 in the Surface World.
    • The area is overwritten by constructing a 2x3 obsidian platform with an air 3 layer above it. This creates a small platform in the air, or breathing room if you're underground. The Bedrock Edition platform has 12 blocks in total, with an extra 4 blocks of netherrack on each side.
  • Every time you make a portal, the game will automatically craft an obsidian frame that measures 4 squares by 5 squares.

Portals for forming pairs [ ]

Building both halves of a Nether portal pair by hand ensures that they are constructed correctly and can reliably transport players between each other. In the Overworld, construct at coordinates X, Y, and Z. Then, visit the Underworld. The next step is to construct a portal at coordinates X/8, Y/8, and Z/8 by digging to those points.

Deactivating all portals within a 128-block "radius" from within the Nether would be a less precise method. When you enter a new Overworld portal, either by dying or with the help of a second player, a new Nether portal is created, and the Overworld portal should prefer to use that one. This is not encouraged because the zone of exclusions restricts how close Overworld portals can be placed and can cause the resulting portal to be placed arbitrarily.

Though not used for pairings, the Y axis's importance in tracing out the portals cannot be overstated. Because of this, it is possible to construct two Overworld portals at the same x,z coordinates, one with a very low Y, e. g , 5, and the oddball at the highest y, e g 160 The X, Z coordinates of a Nether portal lead to the Y-coordinate portal closest to it.

If you're feeling overwhelmed by all the technical details, check out this resource: https://gamertools.net/minecraft/nether/

Exclusion zones [ ]

It's true that the Nether portal spawning algorithm only allows portals to spawn within a 3333 block column that's centered on the destination, but it also scans that width (and the height of the world) for open space to place the portal. As a result, the portal it creates is often in a completely different place than its counterpart in the other world. A larger zone of exclusion is associated with a portal's increased distance from its "ideal" destination. The area where constructing a third portal in either world would severe the connection between the existing two portals is called the "portal dead zone." You can visualize this area as a pair of spheres, one centered on each portal, with radii that are proportional to the distances between the two portals. If the Overworld portal were located at (0,50,0) and the Nether portal at (0,100,0), for instance, the distance between the two would be 50 meters. In this (simple) scenario, the Overworld portal connects to a Nether portal if it is located less than 50 meters from (0,50,0).

Due to the shift in coordinates, newly created Nether portals are more likely to have ideal coordinates that are horizontally distant from the Overworld portal that created them. Although horizontal displacement is less of an issue when traveling in the opposite direction (since the discovered space will have a Nether-equivalent location closer to the original portal), vertical displacement still may be an issue.

You can guarantee a connection between two portals by placing them as closely as possible to one another along all three axes of movement. It doesn't need to be precise or even very close, so long as the player makes sure that no other portals are built in the exclusion zone caused by the difference.

Multiple-use Portals to the Underworld [ ]

A player can "randomly" end up in one of two Overworld portals after entering the Nether from the Overworld. The reason for this is that the Nether portal is two blocks wide, so its effective coordinates are (X, Y, Z) on the left and (X 1, Y) on the right. The coordinates (X, Y, Z) in the overworld are represented as the squares (X*8, Y*8, Z*8), so if the player entered from the left, the game will select the portal that is closest to the squares. If the player came in from the right, the game will select a portal that is closest to (X*8 8, Y, Z*8) rather than (X 1, Y, Z). This happens when there is an 8-block difference between the locations of the two Overworld portals and the location of the Nether portal. Instead of constructing a single portal that serves two purposes, two separate portals to the Nether should be constructed side by side for better clarity of destination. Pairs of portals can be used to travel greater distances, though it is typically much quicker to simply walk through the Nether. [1]

Create a portal in the ground or above it. [ ]

Portals to the Nether or Overworld can spawn in a variety of strange places, including in the air, buried in netherrack or stone, or even in a void. A 121 obsidian platform will appear in front of and behind your portal if it spawns in the air. Whenever a portal appears in rock, three stories of air are removed from a square a block on either side of the spawn point. If no portals exist within 16 blocks horizontally (at any height) of the desired coordinates, then this result is guaranteed to occur. This means that in the Overworld, floating portals spawn over bodies of water, and in the Nether, lava oceans, while buried portals are much more common in the Nether.

Utilizing Portals [ ]

Connectivity gateways can be incorporated into preexisting systems. [ ]

Even if you never plan on traveling through the Nether, you should still construct gates every 64 blocks. (This is the best possible separation, but if the coordinates are correct, they can be built as close as 16 Overworld blocks apart. If your normal Overworld portal to your destination is inaccessible (due to large gravel cave-ins, lava, or water, for example), you can always resort to using a Nether portal to get where you need to go. You can still get back into your gate network if something goes wrong with your primary entry point (for example, if it's too far away and you have to walk, or if you have an automated activation system and

Short-range, one-way teleportation [ ]

Manually constructing at carefully chosen coordinates, the portal choosing algorithm can be used for long-distance travel. This means that if the player creates a Nether portal at coordinates (127,64,127) with its corresponding Overworld portal at coordinates (1016, 64, 1016) in the Overworld, the Overworld portal at (0,64,0) will become inactive. Since there is only one portal within 128 blocks on the X and Z axes from the expected Nether portal position of (0,64,0), players who take the path to the Nether portal through the portal at (0,64,0) will have a successful return journey. The player can travel 1436 meters in the Overworld in that time. Due to the inability of the Nether portal to locate this Overworld portal, fast portal travel in this case is unidirectional. It's usually not worth it to build such portal connections because a railway in the underworld only needs to span 180 meters to travel this far. A one-way ring of portals is possible, with each Overworld to Nether jump leading to a considerable distance; however, such a ring would be easily disrupted due to the enormous exclusion zones it would create. [2]

Rebuilding a Ladder in Water That Isn't Exploited [ ]

If you don't want to use the water or a regular ladder, the Nether portal is a perfectly good, two-way alternative. Keep in mind that there can't be another Overworld portal within 8*h of the point (X, Y, Z) in the Overworld if you want to go from there to the point (X/8, Y h, Z/8) in the Nether, which is a vertical distance of h. Y, Z) (i e Inside the sphere, the formula is ((x-X)/8)2 ((y-Y)/1)2 ((z-Z)/8)2 = h2, where Y is not divided by 8. What this means is that there can't be a portal nearby in the horizontal plane if you want to travel great vertical distances. This is true for any portal that leads to the Underworld from the Normal World. No consideration was given to traveling from the Overworld to the Netherworld. )

References [ ]