Tutorials/Wither skeleton farming



A wither skeleton farm is a mob grinder that involves creating a spawning pad inside a nether fortress, while removing all other mob spawning points nearby.

Wither skeletons have a chance to drop a wither skeleton skull, three of which are required to create a wither, which drops a nether star used to craft a beacon.

Preparation
You will need a variable amount of materials depending on the size of the grinder, but a small sized farm needs around:


 * 650 cobblestone.
 * 160 redstone torches.
 * 80 pressure plates.
 * 80 sticky pistons.
 * Several stacks of slabs, the more the better
 * Note: In 1.16, the only mob that can spawn on wither roses are wither skeletons.

1. Begin by finding a Nether Fortress in the Nether, preferably with a large portion of the fortress over a lava ocean, and marking the bounds of the nether fortress chosen. Bounding boxes are only able to be made visible easily on Java edition.

2. Destroy all of the platforms that make up the nether fortress to limit spawning. In vanilla, it's anything within a 250 × 250 area that's comprised of nether bricks.

Creation
A typical farm of this type usually means destroying all platforms on which the wither skeletons can spawn and replacing them with collection points (usually lines of blocks with pressure plates on them for pistons to push into a grinding point).

Building the mob collectors
1. Create a line of a chosen building material (preferably cobblestone due to its common occurrence and resistance to ghast's fire balls) from one end of the marked area to the other.

2. Place pressure plates on the top of the line and redstone torches on one side of the line.

3. Place a line of cobblestone on top of the redstone torches and then place another line of redstone torches on the outward side of that line.

4. Place a third line of cobblestone on top of the second line and then place a line of sticky pistons that will push those above the first line of cobblestone.

5. Place half slabs on top of the third line of cobblestone to prevent wither skeletons from spawning on top of the collectors instead of inside them.

Note: In 1.16, Piglins naturally attack wither skeletons, and vice versa. You can use this to make an auto collector.

Grinding Point
After the mob collectors have been made correctly and wither skeletons are being spawned, you will need to make a bucket shape of cobblestone under the collector so that all spawned mobs are at one main point. This can easily be achieved using the remaining cobblestone by making a tube from the collectors to the area chosen for grinding. Once the mobs are at the grinding point they can all be killed in one area simplifying collection and speeding up the whole process.

Vwoop's Design
This design uses the ability to extend the nether brick platform of the farm area and spawn proofing the rest of the area, which allows more mobs to spawn in the area, allowing it to yield over 75 wither skulls per hour. It is designed on Bedrock Edition but can also be used on Java with it yielding about the same amount of drops, as long as you replace the trident killer with an entity cramming machine.

This farm does not work well below 1.16, however it does work on both 1.16 and 1.17.

Mikecraft’s Design
This design guarantees that the wither skeletons will drop their skulls 100% of the time, making for a very efficient grinder, however it requires a charged creeper. It is again primarily designed for Bedrock Edition but works on Java as well, however it is worth noting that only one head can be dropped per group of wither skeletons.

This does not work in versions previous to 1.13 Java, and 1.4 Bedrock due to lack of tridents.

Kkinders Method
In this method you use an iron golem to lure wither skeletons into a falling trap. This trap can be upgraded with pistons to push wither skeletons through a portal and then be blown up by a charged creeper. This is a very cheap method but only gets about 5 skulls an hour but with the modifications it can get a skull every minute. It is meant to be used as an alternative to grinding for skulls and not meant for killing the wither multiple times. This method is for all platforms but the modifications with the charged creeper is more effective on bedrock edition.

Other Addons
You may want to add a cage of some sort around the farm to prevent ghasts from blowing up the structure during collection. As well as that, most wither skeletons only drop coal and bones and only when they are killed by a player or a tamed wolf is a wither skeleton skull dropped.

Automatic and AFK-able designs
Using wolves, one can make an automatic wither skeleton farm by having the player stand nearby. As long as the wither skeletons cannot reach the wolves, there is no chance of the wolves dying.

Xisumavoid's Design
This design uses slime block machines to push mobs off the spawning platforms, sort them, and grind them.

Ray's Works's Design
This design uses ghasts' enormous hit box to push mobs off the spawning platforms.

Shulkercraft's Design (Based on another of Ray's Works's Designs)
This 2020 Java 1.16.4 design uses a spawn platform in the nether with wither roses and a piglin to attract them into a drop down chute.

Bedrock edition farms
EXAMPLE B Starter Wither Skeleton farm FOR BEDROCK PLAYERS.

Bedrock uses different spawn mechanics. Mobs spawn within a spherical radius of any player. The size of that radius is dependent on your world's simulation distance.

This farm is most easily and quickly built on a simulation distance of 4. On simulation distance 4 Mobs will spawn 24 blocks away (giving the player a buffer zone of 49 blocks in a sphere so that mobs don't spawn kill the player) from the player, and despawn after a few moments further than 48 (or a 97 block wide sphere) blocks away. Any other simulation distance the despawn range is 64, for sim's 6 & 8, making the sphere 129. For all of the largest options it is 128, or a 257 wide sphere. This is with you the player as the center.

Wither Skeletons have further mechanics amended to the spherical rules. Like that they are pack spawns that always try to produce between 2&5 wither skeleton.

All fortress mobs in bedrock spawn in specific locations always. That location seems random if crossroads are the chosen area. If a crossroads is chosen mark out a five by five center that will be your drop pit to the kill zone. Then take all sides of that 5 x 5 center hole and build out using nether brick blocks to make a flat floor with at least three blocks between floor & ceiling if there is one.

Fortress hallways with fenceposts as windows spawn them more consistantly and the spots are always easily locatable. Go to the end of a hallway thats got windows. Fortress mobs always spawn on specific blocks,

Specifically blocks that are center of the hallway and also with a window up, anywhere there's 2-4 windows your Fortress spawns spawn specifically on the north west corner of south west block beneath them. Look up how to figure out cardinal directions & what ur doin wrong.

For a starter farm the easiest thing is to make sure world simulation distance is only 4 if you are able.

Then chose which of the spawn spots you have just located to build a farm around. Or even all if them and mark it with obvious lemme ins. Put a post one block above the floor floating abpve the spawn spot. Mobs will still believe the nw corner is available they will spawn and fall.

So build a tube straight down and finish it with a trident killer or opening that allows you to attack them with being attacked. Then chests and hoppers and all that good good.

FINAL STEP spawn proof your entire spherical area. The easiest means to do that is by slabbing every block that isnt in a spawn area you've built a killing chamber around. As well as every block within ypur worlds simulation distance rang area from your afk location.

For anything to spawn you must create an afk chamber that in at minimum distance is 30 blocks aways from your killing pods. Use a trident killer so that your swords looting enchant will boost your drops while you afk.

First farm of this nature I built, built 3 pods and left for three hours. Each pod in that time yielded about three stacks of coals, bout five stacks of bones. Approx. 17 heads per pod in 3 hours, which totaled to bout 51 heads which is all the beacons I will ever need.

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