Wall of Flesh

"The master and core of the world..."



The Wall of Flesh is a Pre-Hardmode boss, and is spawnable only in The Underworld. It is considered to be the most difficult boss before entering Hardmode. Once defeated, the world permanently converts to Hardmode. This will unlock two new biomes, the Hallow and Underground Hallow. Hardmode also introduces new bosses, such as Skeletron Prime, The Twins, and The Destroyer, not to mention more dangerous enemies.

To defeat the Wall of Flesh, the player must attack either its eyes or its mouth. They all share the same life counter, so attacking any of the three will deplete the total health of the boss. Attacking the eyes causes the most damage, as they have the lowest defense. Its other parts are intangible to weapons, so attacking those will not deplete its health.

See below for information on the Horrified and The Tongue debuffs.

Summoning
The Wall of Flesh is summoned when a Guide Voodoo Doll is dropped into lava in The Underworld while the Guide is alive (this must be done in The Underworld; lava in any other layer will only kill the Guide and will not summon the Wall of Flesh). This will kill the Guide and spawn the boss immediately. It can be done either by killing a Voodoo Demon who carries the Doll while it flies above a lava pool, or by picking up a dropped Guide Voodoo Doll and throwing it into the lava manually. On the, you can also simply consume the Doll in the Underworld.

If the Guide is not alive when the Guide Voodoo Doll is destroyed, the Wall of Flesh will not be summoned and the item is wasted. If you have already summoned the Wall of Flesh recently or if the Guide was killed in some other instance, make sure the Guide has respawned before attempting to summon the Wall of Flesh again. On the and the  the housing menu can be used to see which NPCs are still alive. The minimap can also be used to see if the guide is present on all versions.

The Wall of Flesh's sweep direction is determined by its spawn location. Spawning it anywhere left of the center of the world will cause it to sweep from left to right, while spawning it right of center will cause it to sweep right to left. Maximum fight space can be achieved by spawning it at the extreme right or left of the world, though these areas have fewer natural structures and may require additional lava survival gear or construction.

Attacks
The Wall of Flesh is very large, occupying the entire screen vertically. Once spawned, it slowly sweeps across the map in a single direction, forcing the player to constantly move away for the duration of the fight, while also contending with the Underworld's usual hazards. It must be killed before it reaches the other end of the map, otherwise it will despawn, and all living players in The Underworld will die (with the unique death message " was licked.").

Once the Wall of Flesh has spawned, all players within 1800 feet will be inflicted with the Horrified debuff. The debuff lasts until either the player or the Wall of Flesh dies. If a player dies, and then returns to the battle, they will again be inflicted with this debuff. While under this debuff, players cannot flee the battle. Attempting to leave the Underworld, or to get behind the Wall of Flesh will inflict The Tongue debuff. Attempting to escape the Underworld via Magic Mirror, Recall Potion, Teleporter, or running far ahead of the Wall and leaving, will cause the player to die instantly with the unique death message, " tried to escape."

When The Tongue debuff is activated, a tendril will snatch the player and draw them into the Wall of Flesh's mouth, ignoring blocks in the way, and dealing high damage to the player. During this, the player will be unable to move or use items.

The Wall of Flesh moves faster as its health depletes. On Expert mode, it can reach up to 50 mph while below 500 HP (as compared to the Hermes Boots at only 30 mph, Lightning Boots at 34, and the Bunny Mount at 38).

Keep this behavior in mind when preparing an arena, as the fight will take the player many screens away (unless the player is equipped with Hardmode gear). Any platform built will need to be very long (500+ tiles, even more in Expert mode).

Additionally:
 * The Wall of Flesh has small mouths called The Hungry, each attached by a long vein, which move towards and damage players. As the Wall of Flesh's main body takes damage, they deal more damage and become more resistant to attacks. When sufficiently damaged, they detach and fly towards players at high speed.
 * In Expert mode, the Hungry respawn as long as the Wall of Flesh is alive.
 * The Wall of Flesh's eyes fire lasers. As its health depletes, the lasers increase in damage and frequency.
 * The Wall of Flesh "burps" Leeches from its mouth that chase players. These will always drop hearts when killed.
 * In Expert mode, Leeches only have a 20% chance to drop hearts when killed.

Aftermath
When the Wall of Flesh is killed, it leaves its drops in a floating, fully-enclosed frame of Demonite Brick for Corruption worlds, or Crimtane Brick for Crimson worlds. The one definite drop is the Pwnhammer, which becomes an essential tool moving into Hardmode.
 * In the, the frame is always made of Demonite Bricks.

Hardmode
After defeating the Wall of Flesh for the first time, a status message displays: "The ancient spirits of light and dark have been released.", a dialogue box explaining Hardmode appears, and the world converts to Hardmode. Hardmode brings new biomes, new and tougher enemies, and new tiers of equipment.

Two diagonal stripes of The Hallow and Corruption or Crimson form in a "V" pattern from the center of the Underworld, all the way to the Surface. The Crimson or Corruption and The Hallow will spread at a much faster rate, eventually covering the whole map if no action is taken.

Tips

 * Mobility-enhancing items, such as Gravitation Potion, Rocket Boots/Spectre Boots, and various Hooks can make traversing the Underworld much easier. Similarly, items like Obsidian Skin Potions, Lava Waders, or an Obsidian Rose can mitigate the underworld's many lava pools and other ambient hazards.
 * The player can build a long wooden Platform going along the underworld quite high up so the structures, lava and mounds of ash do not get in the way.
 * A Flamethrower is an extremely effective way to defeat The Hungry in Hardmode.
 * Making a platform with explosion-immune blocks (such as Dungeon Bricks) and proceeding to use Dynamite can be extremely effective if the player times their throws well.
 * Try not to use melee weapons if you are fighting the Wall of Flesh for the first time, because you take a sizable amount of damage from touching the Wall of Flesh or its many Hungries. If you find one however, a Dark Lance works very well with a long walkway.
 * Beenades are a highly effective weapon against the Wall of Flesh, especially in Expert mode.
 * The Bee's Knees is a useful weapon for extra damage, as well as the Molten Fury or Phoenix Blaster.
 * A Water Bolt is an excellent weapon, because even if the player dies, the projectile will bounce, giving the possibility to kill the WoF after the player's death.
 * A good pre-Hardmode weapon is the Minishark with the Hurtful Modifier. Obtaining around 270 Meteor Shots as ammunition is an effective way to kill it quickly, preferably with the Imp Staff as well.
 * In the, using a Sharanga is great against the Wall of Flesh, as it turns any arrows into Spectral Arrows which inflict Cursed Inferno.
 * The Hellwing Bow is extremely effective, as it turns normal arrows into flying bats that can pass through enemies.
 * On the, utilizing Heart Arrows from the Valentine's Day event as ammunition can render the boss unable to move, so long as the arrows are aimed at its mouth. Note that this still allows the eyes to fire their lasers at the player.
 * Before hardmode, it is advised to kill The Hungries before significantly damaging the Wall itself due to their increases in damage and defense.
 * Using Molotov Cocktails is another very effective way to kill the Wall of Flesh.
 * A good way to defeat the Wall of Flesh is to build a long Minecart Track instead of a long, flat platform because you can keep up with the Wall of Flesh. This is even more useful in Expert mode because when the Wall of Flesh is under 500HP, it travels at 50 mph, so even when using the Wooden Minecart, you can travel faster than the Wall of Flesh at 51 mph.
 * The Star Cannon and at least 200 Fallen Stars can defeat the Wall of Flesh even in Expert mode with good aim.

Trivia

 * Despite being based around flesh, the Wall of Flesh was in the game long before the Crimson, and this flesh theme was a coincidence.
 * Because killing the Wall of Flesh creates strips of Hallow and Corruption/Crimson, if you defeat the WoF near the middle of the map, it may drop a Soul of Light or Soul of Night on death, proving that the world is in fact converted to Hardmode before the status message displays.
 * One of the Cyborg's quotes is "Have you defeated the Wall of ?", which is a reference to the Wall of Flesh being spawned when the player sacrifices the Guide.

History
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