Eater of Worlds

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Eater of Worlds
Eater of Worlds.png
TypeBossBurrowing Enemy
EnvironmentThe Corruption
AI TypeWorm AI
Max Life7485 / 10479
KB Resist100%
Inflicts debuffWeakWeak
1/20 (5%) chance

Debuff duration10 minutes
Debuff tooltipPhysical abilities are decreased
Immune toPoisonedOn Fire!Cursed InfernoConfusedVenomShadowflame
Map Icon Eater of Worlds.png
Map Icon

Eater of Worlds Trophy.png "Screams echo around you..." Eater of Worlds Trophy.png

The Eater of Worlds is a pre-Hardmode giant Corruption-themed worm boss. It is summoned using the Worm Food from within The Corruption, or by destroying 3 Shadow Orbs that spawn in Corruption worlds.

The Eater of Worlds is not a single target, but a string of 50 segments (1 head, 48 body, 1 tail) with individual life counters. When any inner segment is destroyed, it splits into multiple smaller worms, each with their own head and tail. Each section of the Eater must be killed in order to defeat the entire boss.

Defeating the Eater of Worlds is the only way to obtain Shadow Scales, and is one of the ways to obtain usable quantities of Demonite Ore. Individual segments drop some of these when killed, with a larger bonus drop upon defeating the entire entity. The Eater of Worlds is immune to the Poisoned, On Fire!, Cursed Inferno, Confused, Venom and Shadowflame debuffs, and like all worms, is immune to Lava.

Defeating the Eater of Worlds allows the Tavernkeep NPC to spawn (in corrupt worlds).

The Crimson counterpart is the Brain of Cthulhu. The Hardmode Mechanical Boss equivalent of the Eater of Worlds is The Destroyer.

While the Eater of Worlds is alive, music Boss 1 will play.

Segments[edit | edit source]

Eater of WorldsEater of Worlds Head
Eater of Worlds Head.png
TypeBoss Part
EnvironmentThe Corruption
AI TypeWorm AI
Damage22 / 48
Max Life65 / 91
Defense2 / 4
KB Resist100%
Immune toPoisonedOn Fire!ConfusedCursed InfernoVenomShadowflame
Coins 3 Silver Coin
Eater of WorldsEater of Worlds Body
Eater of Worlds Body.png
TypeBoss Part
EnvironmentThe Corruption
AI TypeWorm AI
Damage13 / 20
Max Life150 / 210
Defense4 / 6
KB Resist100%
Immune toPoisonedOn Fire!ConfusedCursed InfernoVenomShadowflame
Coins 3 Silver Coin
Eater of WorldsEater of Worlds Tail
Eater of Worlds Tail.png
TypeBoss Part
EnvironmentThe Corruption
AI TypeWorm AI
Damage11 / 17
Max Life220 / 308
Defense8 / 10
KB Resist100%
Immune toPoisonedOn Fire!ConfusedCursed InfernoVenomShadowflame
Coins 3 Silver Coin

Achievement[edit | edit source]

Achievement Worm Fodder.png
Worm Fodder • "Defeat the Eater of Worlds, a massive worm whom dwells in the corruption."
Defeat the Eater of Worlds for the first time. Desktop VersionConsole Version

Notes[edit | edit source]

  • If the player leaves the Corruption, the Eater of Worlds will disappear (unless one manages to lure it into The Crimson).
  • Trying to summon the Eater of Worlds with Worm Food while another is still alive will not work and the item will not be consumed. Breaking multiple Shadow Orbs will still allow multiple Eaters of Worlds to spawn. Regardless of how many are summoned, only the last head alive will drop loot and display the defeat message.
  • Though it is a boss, it is possible for an Eater of Worlds segment to drop a Bloody Machete and/or a Bladed Glove during Halloween.
  • Since each segment can drop loot when killed, it can be a good source of Presents or Goodie Bags.
  • The different sections of the Eater of Worlds are not equivalent: A Head section will deal significantly more damage than the Body or Tail, but has far less life and less defense.
  • Individual segments cannot survive on their own. Killing one segment, when that part only consisted of two segments, will kill both.
  • When a part is destroyed, if it results in another worm being made, the segment that becomes the tail will fully recover. The segment that becomes the head will not heal.
  • Its spawn location is relative to the player, not to the bottom of the map. Depending on where exactly the Eater of Worlds is summoned, it may get stuck underneath some empty terrain, such as a cave. It will only be stuck for a few seconds however, since it can travel through blocks.
  • When the Eater of Worlds spawns, it begins in a coiled state, and then unravels. Attacking it in this state will damage all its segments in that spot, which can kill it in seconds. This also applies to the Destroyer.
  • When despawning, it travels into the ground until it vanishes.
  • The Eater of Worlds only takes 65% of the usual damage from Molotov Cocktails.

Expert Mode changes[edit | edit source]

  • In Expert mode, the Eater of Worlds periodically shoots Vile Spit projectiles from all body parts. These projectiles have a 5% (1/20) chance to inflict the Weak debuff onto the player for 10 minutes.
  • In Expert mode, the Eater of Worlds takes 80% less damage from most explosives.
    • This damage reduction does not seem to apply to Bouncy Bombs.

Tips[edit | edit source]

For more elaborate strategies on defeating Eater of Worlds, including Weapon and Arena recommendations, see Guide:Eater of Worlds strategies.

  • Weapons that pierce for multiple hits are effective, due to the Eater's large size and multiple parts.
  • Additionally, weapons with a large area of effect such as Grenades can be used to great effect. Keep in mind grenades seem to deal much less damage against it in Expert mode.
  • Jester's Arrows are exceptionally useful against this boss. Their infinite piercing and decent damage allow them to destroy entire sections after it splits a few times, and they can still deal insane damage before then.
  • The individual worms have a tendency to retreat into the ground when their heads are destroyed.
  • If possible, try to aim for the head or tails of each section, as if they die first, they will not split into more.
  • Farming the Eater of Worlds is one of the most effective ways of making money prior to Hardmode. Mid-game armor and weapons will make the fight easy, and selling its drops will yield 9 to 11 Gold Coin each time, on average.
  • In Hardmode, farming the Eater of Worlds is a great way to get a Corruption Key/Mold and Souls of Night as every segment has a chance of dropping one.
    • Also, in a Corrupt Snow Biome, farming it is an effective way to farm Amaroks as each individual segment has the 1:80 chance to drop it, each yoyo can sell for 5 Gold Coin depending on the modifier.
  • The Vilethorn (a 20% chance drop from smashing Shadow Orbs) can be effective against the Eater of Worlds as it can pierce through walls and can hit multiple segments of the Eater of Worlds at once.
  • Since the Eater of Worlds will some times surround you, a quick way to get out is to have a bed over the battle area; you can then use a recall potion, magic mirror, ice mirror, or a cell phone to get out.
  • Building a closed box (about 15x15) and using Water Bolt constantly is a great way to fight Eater of Worlds, however, you will need a decent amount of Health and Mana. Similar tactic can be used against Brain of Cthulhu.
  • In Expert mode, the Eater of Worlds will likely take all the money a player drops upon death, as each segment counts as a separate NPC. Therefore it is suggested that players store their money in a Chest, Piggy Bank, or Safe before summoning it.
  • The Slime Mount will bounce and destroy Expert mode Vile Spit if hit from atop, leaving the player undamaged.

See Also[edit | edit source]

History[edit | edit source]

  • Desktop 1.1.2:
    • The Eater of Worlds can now spawn when a third Shadow Orb is broken within the Hallow, but will still flee due to not being in the Corruption.
  • Desktop 1.0.6:
    • No longer defeated when it flees.
    • Head health reduced from 80 to 65, damage reduced from 43 to 22.
    • Body health reduced from 210 to 150, damage reduced from 18 to 13, armor reduced from 7 to 4.
    • Tail health reduced from 300 to 220, damage reduced from 15 to 11, armor reduced from 10 to 8.
  • Desktop 1.0.5:
    • No longer drops Shadow Armor.
    • Can no longer follow players out of the corruption.
    • Head health reduced from 140 to 80, damage reduced from 50 to 43.
    • Body life reduced from 230 to 210, damage reduced from 25 to 18.
    • Tail life reduced from 350 to 300.
  • Desktop 1.0.4:
    • Fixed a bug where simply selecting Worm Food in your quick bar summoned the Eater of Worlds.
    • Head life increased from 120 to 140, damage increased from 40 to 50, armor increased from 0 to 2.
    • Body life increased from 200 to 230, damage increased from 10 to 25, armor increased from 4 to 7.
    • Tail life increased from 300 to 350, damage increased from 10 to 15, armor increased from 8 to 10.