Eater of Worlds

Eater of Worlds

Map Icon

 Classic

 Expert

 Master

Statistics

Type	BossBurrowing Enemy
Environment	The Corruption
AI Type	Worm AI
Max Life	7485 / 10479
KB Resist	100%
Immune to

Inflicts debuff

Inflicts debuff

Inflicts debuff

Debuff	Weak
Debuff tooltip	Physical abilities are decreased
Chance	1/20 (5%)

Drops

• Item (Quantity)Rate
• Shadow Scale (50-100 / 100-150)
  100%
• Demonite Ore (100-250)
  100%
• Lesser Healing Potion (5-15)
  100%
• Eater of Worlds Mask
  14.29%
• Eater of Worlds Trophy
  10%
• Eater's Bone
  5%
• Treasure Bag(Eater of Worlds)

  • Worm Scarf

  100%

"Screams echo around you..."

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. Defeating the Eater of Worlds allows the Tavernkeep NPC to spawn.

The Eater of Worlds, like all worms, is immune to lava.

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.

Quick Answers

What item is used to spawn the Eater of Worlds?

The Eater of Worlds, a pre-Hardmode Corruption-themed worm boss in Terraria, is summoned using an item called Worm Food. This can be used within The Corruption or Underground Corruption. Alternatively, the Eater of Worlds can also be summoned by destroying 3 Shadow Orbs that spawn in Corruption worlds.

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Can the Eater of Worlds be summoned without destroying Shadow Orbs, and if so, how?

Yes, the Eater of Worlds can be summoned without destroying Shadow Orbs. This can be achieved by using an item called Worm Food. However, it's important to note that the Eater of Worlds can only be summoned in the Corruption, regardless of the method used for its summoning.

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Why does the Eater of Worlds' segmented form, instead of a single target, matter?

The Eater of Worlds, a boss character in Terraria, is unique in that it's not a single target but a string of segments, each with its own life counter. This design significantly impacts the strategy for fighting it. When any inner body segment is destroyed, it splits into multiple smaller worms, each with their own head and tail. This means that to defeat the Eater of Worlds, every section must be killed. This can make the battle more challenging, as players must focus on multiple targets at once. Additionally, when the Eater of Worlds splits, the segment that becomes the tail fully recovers, adding another layer of complexity to the fight.

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What additional abilities does the Eater of Worlds gain in Expert and Master mode?

In Expert and Master mode, the Eater of Worlds gains several additional abilities. It becomes about 20% faster and periodically shoots Vile Spit projectiles from all body parts. These projectiles have a chance to inflict the Weak debuff onto the player. When fought above the ground, the Eater of Worlds moves quicker and constantly fires Vile Spit at the player. Additionally, every time it splits, it summons an Eater of Souls. Its maximum speed is also increased significantly.

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Segments

Eater of WorldsEater of Worlds Head

 Classic

 Expert

 Master

Statistics

Type	Boss Part
Environment	The Corruption
AI Type	Worm AI
Damage	22/48/72
Max Life	150/210/267
Defense	2/4
KB Resist	100%
Immune to

Drops

Coins	820

• Item (Quantity)Rate
• Demonite Ore (2-5)
  50%
• Shadow Scale (1-2 / 2-3)
  50%

Sounds

Hurt
Killed

• Internal NPC ID: 13

Eater of WorldsEater of Worlds Body

 Classic

 Expert

 Master

Statistics

Type	Boss Part
Environment	The Corruption
AI Type	Worm AI
Damage	13/20/31
Max Life	150/210/267
Defense	4/6
KB Resist	100%
Immune to

Drops

Coins	820

• Item (Quantity)Rate
• Demonite Ore (2-5)
  50%
• Shadow Scale (1-2 / 2-3)
  50%

Sounds

Hurt
Killed

• Internal NPC ID: 14

Eater of WorldsEater of Worlds Tail

 Classic

 Expert

 Master

Statistics

Type	Boss Part
Environment	The Corruption
AI Type	Worm AI
Damage	11/17/26
Max Life	150/210/267
Defense	8/10
KB Resist	100%
Immune to

Drops

Coins	820

• Item (Quantity)Rate
• Demonite Ore (2-5)
  50%
• Shadow Scale (1-2 / 2-3)
  50%

Sounds

Hurt
Killed

• Internal NPC ID: 15

Achievement

Worm Fodder • “Defeat the Eater of Worlds, a massive worm who dwells in the corruption.”

Defeat the Eater of Worlds for the first time.

Category: Slayer

Notes

• If the player leaves The Corruption, the Eater of Worlds will despawn (unless one manages to lure it into an artificial 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 display the defeat message.
• Note that actually defeating the Eater of Worlds is not completely necessary, as a certain amount of segments may drop the needed amount of materials.
  • However, defeating the Eater of Worlds is the only way to gain access to the Tavernkeep.
• Since each segment can drop loot when killed, it can be a good source of Presents during Christmas, and Goodie Bags, Bloody Machete and Bladed Gloves during Halloween.
• 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 less life and 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.
• 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.
• The Eater of Worlds spawns 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.
• 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

• 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

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 having multiple parts.
  • The Vilethorn is especially effective as it can phase through walls and can hit multiple segments at once, multiple times.
• Also if you have the Slimy Saddle it prevents you from taking damage from your feet and also does damage to the boss as well.
  • Additionally, weapons with a large area of effect such as Grenades can be used to great effect. Keep in mind that Grenades seem to deal much less damage against it in Expert mode.
  • Spamming the Water Bolt is quite effective if the fight takes place within the horizontal chasms of the Corruption, as they can bounce around and hit multiple times.
• Like other worm-types, once the Eater's head passes a given point, every body segment must follow. This allows standing next to it and attacking every segment as it goes by... just watch out for the front end coming around again!
  • The Falcon Blade, Arkhalis, and (in Hardmode) the Fetid Baghnakhs are all powerful in this role.
  • The Tavernkeep's Lightning Sentries are deadly here. Even the Rod can kill the Eater by itself, while the player avoids the worm and renews or moves the sentry as needed.
• The Shark Tooth Necklace will eliminate most of the Eater's modest defense.
• The individual worms tend to retreat into the ground when their heads are destroyed.
• If possible, try to aim for the head or tail of each section, as if they die first, they will not split. The head is far more vulnerable.
• If fighting in a chasm, be wary of getting surrounded, which can lead to death very quickly, especially in Expert mode. A quick way to get out is to have a bed to teleport (using Recall Potions, Magic or Ice Mirror) over the battle area.
• Farming the Eater of Worlds is particularly profitable, being one of the most effective ways of making money prior to Hardmode.
  • Converting the Demonite Ore to bars, selling its drops will yield an average of 19 each time.
  • In Hardmode, it can provide other items as well:
    • It is a good way to farm for a Corruption Key/Mold, as every segment has a chance of dropping one.
    • In a Corrupt Snow Biome, it will drop Amaroks, as each individual segment can drop one, with each yoyo selling for a base value of 4.
    • Similarly, in a Corrupt Ocean it will yield Pirate Maps.
  • If Vile Mushrooms run short, Vile Powder (for Worm Food) can be bought from the Dryad during a Blood Moon.
• 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 their Piggy Bank before summoning it.

Trivia

• The Eater of Worlds is the only boss that does not have its own AI.
• The Eater of Worlds might spawn outside of map boundries on rare ocassions when breaking Shadow Orbs.

See also

• The Destroyer
• Brain of Cthulhu

History

 PC version

• Desktop 1.3.5: Sprite updated.

• Desktop 1.3.0.5: Reduced damage of the Vile Spit attack.

• Desktop 1.3.0.1:
  • New AI in Expert mode, now shoots Vile Spit at players.
  • Now drops a Treasure Bag in Expert mode.

• Desktop 1.2.3: Now has a chance of dropping the Eater Mask.

• Desktop 1.2.1: Now has a chance of dropping the Eater's Bone as the drop chance is now fixed.

• Desktop 1.2.0.3: Now has a chance of dropping a Blend-O-Matic, this is meant to be the Eater's Bone drop however, is bugged.

• Desktop 1.2: Now has a chance of dropping the Eater of Worlds Trophy.

• 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.

• Desktop-Release: Introduced.

 Console version

• Console-Release: Introduced.

 Mobile version

• Mobile-Release: Introduced.

Nintendo 3DS version

• 3DS-Release: Introduced.