The wither is one of two boss mobs in Minecraft, alongside the ender dragon. Unlike the dragon, it does not wait for you in a set location. You build it yourself, on purpose, whenever you decide you are ready for the toughest fight in the game.
People summon the wither for one reason: the nether star it drops. That star is the only way to craft a beacon. So beating the wither is the gate between mid-game and the late-game perks a beacon gives you, like permanent Haste or Regeneration in your base.
This guide covers how to summon the wither, how the two-phase fight actually plays out, what gear you need, and the mistakes that get players killed on their first try.
What is the wither?
The wither is a flying, three-headed hostile boss with 300 health. It floats, ignores fall damage, and is immune to fire, lava, and drowning. It is also immune to the wither status effect it inflicts on you, so you cannot turn its own poison against it.
It attacks by firing skull projectiles from its three heads. These skulls explode on impact and break most blocks they touch. A direct hit also gives you the wither effect, a black-hearted version of poison that, unlike normal poison, can drop you all the way to zero. The wither smashes through terrain as it moves, so a fight in the open will leave craters behind.
One detail trips up a lot of players: despite the name, the wither is not an undead mob. That means the Smite enchantment does nothing to it. You want Sharpness on your sword instead.
How to summon the wither
You build the wither from two ingredients: soul sand (or soul soil) and wither skeleton skulls. Both come from the Nether, so a trip there is step one.
Getting the skulls
You need three wither skeleton skulls. Wither skeletons spawn in nether fortresses, usually in and around the dark bridge corridors. Killing one gives you a skull only about 2.5% of the time, so expect to fight a lot of them. A sword enchanted with Looting III raises the drop rate and is worth bringing before you start farming.
Soul sand is easy by comparison. It generates in large patches in soul sand valleys and around nether fortresses. You only need four blocks.
Building the spawn structure
The wither is built in a fixed T shape. Place three soul sand blocks in a horizontal row, then add one more soul sand block below the center of that row. That is the body. Then place the three wither skeleton skulls on top of the three blocks in the top row.
The wither forms the instant the final skull is placed, so the last block you set is your trigger. Build the structure facing a wall or against the ground, and never place the last skull until you are geared up and standing where you want to start the fight.
The spawn sequence
When the last skull goes down, the wither does not attack right away. It glows blue, swells in size, and its health bar fills over several seconds. During this window it is invulnerable, so you cannot chip it early. At the end of the charge it triggers a large explosion that damages everything nearby, including you.
Two rules follow from this. Never summon the wither next to your base, because the spawn blast and the block-breaking that follows will wreck it. And back away or wall yourself off during the charge-up so the initial explosion does not open the fight by taking half your hearts.
How the fight works
The wither fight has two clear phases, split at the halfway point of its health.
Phase one: above half health
From 300 down to 150 health, the wither stays airborne and rains skull projectiles down at you and at any other mob in sight. It flies high and keeps its distance, which is exactly when a bow is useful. Power-enchanted arrows let you hit it while it is out of melee range, and this is the phase where ranged damage pays off.
Keep moving. Standing still lets the skulls stack the wither effect on you, and the black hearts drain fast. Drink milk to clear the effect if it builds up, or lean on Regeneration and healing potions to outpace the damage.
Phase two: below half health
Once the wither drops under 150 health, its behavior changes. In Java Edition it gains a wither armor effect: a shield that makes it immune to arrows and every other projectile and cuts the damage it takes. Your bow stops working here, full stop. The wither also stops hovering high up and drops down to charge you directly.
This is your melee window. Close in with an enchanted sword and swing. Strength potions make a real difference in how fast this phase ends, and the sooner it ends, the less time the wither has to chew through your armor.
What the wither drops
The wither always drops exactly one nether star, plus a large chunk of experience. The star does not despawn quickly and it survives lava and fire, so you do not have to panic to grab it, but pick it up before you leave the area.
The nether star’s only use is the beacon. A beacon takes one nether star, three obsidian, and five glass. Set it on a pyramid of iron, gold, diamond, emerald, or netherite blocks and it projects a status effect across a wide area around your base. That single beacon is the payoff for the whole fight.
Gear and tactics to beat it
Do not attempt the wither in iron armor. Bring a full set of diamond or netherite with Protection IV on every piece. The wither hits hard and the wither effect ignores armor, so you are relying on healing as much as defense.
A short packing list for the fight: a sword with Sharpness (not Smite), a bow with Power for phase one, splash potions of Healing, potions of Strength, potions of Regeneration, milk buckets to cancel the wither effect, and blocks to wall yourself in. An enchanted golden apple or two is a strong safety net if the fight goes sideways.
Where you fight matters as much as your gear. The wither cannot break bedrock or obsidian, so many players fight it inside a small sealed box of those blocks. A common setup is a cramped obsidian room where the wither has no space to fly away, letting you pin it and burn it down at melee range. On Bedrock Edition, the top of the Nether above the bedrock ceiling is another popular arena because the wither cannot escape upward.
The most common mistakes are summoning it too close to home, trying to win the whole fight with a bow, and forgetting that fire and lava do nothing to it. Plan for a real melee finish and you will be fine.
Java vs. Bedrock differences
The core fight is the same across both editions, but Bedrock’s wither is meaner. Its spawn explosion is larger, it deals more damage overall, and below half health it dashes and charges more aggressively instead of simply dropping to melee range. Bedrock players should give themselves more room and more healing.
One practical Bedrock note: the wither despawns if you switch the difficulty to Peaceful. That can be a panic button if a fight is going badly, though you also lose the wither and your progress on it. Plan the fight so you never need to use it.
Frequently asked questions
How do you make a wither in Minecraft?
Place four soul sand or soul soil in a T shape (three in a row with one below the center), then put three wither skeleton skulls on top of the three-block row. The wither forms when the last skull is placed.
What does the wither drop?
One nether star, every time, plus a large amount of experience. The nether star is used only to craft a beacon.
Is the wither harder than the ender dragon?
Most players find the wither harder, especially the first time. It has less health than the dragon’s healing setup implies, but it does far more direct damage and it inflicts the wither effect, which the dragon cannot.
Why can’t I hurt the wither with my bow?
In Java Edition, once the wither falls below half health it gains an armor effect that blocks arrows and other projectiles. Switch to a melee weapon for the second half of the fight.
Can the wither break obsidian or bedrock?
No. The wither destroys most blocks, but obsidian and bedrock are immune, which is why players trap it in boxes made of them.
Does Smite work on the wither?
No. The wither is not an undead mob, so Smite has no effect. Use Sharpness instead.
Where should I fight the wither?
Anywhere far from your base and enclosed. A sealed obsidian or bedrock box works well, as does the bedrock roof of the Nether on Bedrock Edition. Never fight it next to anything you want to keep.
If this is your first wither, treat the location as the real decision. Gear wins the fight, but where you choose to summon it decides whether a bad run costs you a few potions or your entire base.