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Eye of Cthulhu

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Eye of Cthulhu First Form
Eye of Cthulhu.png
Statistics
Type Boss
AI Type Eye of Cthulhu AI
Damage 15
Max Life 2800/2800
Defense 12
Knockback Resist 100%


Eye of Cthulhu Second Form
Eyeofcthulhu.png
Statistics
Type Boss
AI Type Eye of Cthulhu AI
Damage 23
Max Life 1400/2800
Defense 0
Knockback Resist 100%
Drops
Coins 3 Gold Coin
Item (Quantity) Rate
Demonite Ore.png Demonite Ore (30-87) (corrupt world)
Unholy Arrow.png Unholy Arrow (20-49) (corrupt world)
Corrupt Seeds.png Corrupt Seeds (1-3) (corrupt world)
Crimtane Ore.png Crimtane Ore (30-87) (crimson world)
Crimson Seeds.png Crimson Seeds (1-3) (crimson world)Pc only.png
Lesser Healing Potion.png Lesser Healing Potion (5-15) 100%
Heart.png Heart (8) 100%
Eye of Cthulhu Mask.png Eye of Cthulhu Mask 14.29%Pc only.png
Eye of Cthulhu Trophy.png Eye of Cthulhu Trophy 10%
Binoculars.png Binoculars 0.67%
For strategies on defeating the Eye of Cthulhu, see Guide:Eye of Cthulhu strategies.

"You feel an evil presence watching you..."

The Eye of Cthulhu is the first Boss a player will generally encounter, as it spawns automatically when a relatively early level of game advancement is achieved. It is considered the easiest Boss in the game, though still presents a challenge to newer players.

Spawn[edit]

The Eye of Cthulhu can be summoned manually using a Suspicious Looking Eye at Night. It also has a 1 in 3 chance of spawning automatically each night once the following conditions are met:

  • At least one player in the world has at least 200 life and more than 10 defense.
  • At least three Town NPCs are acquired.
  • The Eye of Cthulhu has not yet been defeated in the current world.

Its approach is signaled with the message: "You feel an evil presence watching you..." Within 20-40 seconds of this message, the Eye of Cthulhu will appear and begin attacking the player. If the Eye is not defeated by dawn, or if all players die or run away while fighting it, it despawns.

Behavior[edit]

The Eye of Cthulhu looks like an enormous Demon Eye. Like most bosses, it travels through all blocks.

The Eye of Cthulu has two phases. During the first, he spawns Servants of Cthulhu while floating around the player, which drop hearts and stars on death. After spawning a round of those, he flies at the player 3 times.

When the Eye falls below half health (1400), it transforms into its second form, which rams the player more aggressively 3 times, then hangs in the air for a period. It no longer spawns Servants, and has lowered defense.

Notes[edit]

  • If you log out after the message "You feel an evil presence watching you...," the Eye will not appear.
  • If you use the Suspicious Looking Eye after the message "You feel an evil presence watching you", it will summon one Eye of Cthulhu, and then later another will appear allowing the player to fight two Eyes of Cthulhu at once.
    • If you are already fighting an Eye that was summoned using the Suspicious Looking Eye, and you use another Suspicious Looking Eye, nothing will happen, and a Suspicious Looking Eye will not be consumed from your inventory.
  • The Eye of Cthulhu can be hit by a Fallen Star, which will deal 1000 damage (reduced by its defense).
  • The Eye of Cthulhu's ore drop is based on if the player's world has Corruption or Crimson in it; if the world has Corruption then the eye will drop Demonite Ore; if the world has Crimson then the eye drops Crimtane Ore.
  • If the player activates the Magic Mirror, the Eye will not follow them to their spawn if it's too far away from its current position, and the player may have to wait for one more night.
  • For the mobile version, if you summon the boss and immediately open the inventory page, the Suspicious Looking Eye is not used, and can be done so over and over (Most likely a bug)
  • The EoC has an eye color different from that of The Twins.

Tips[edit]

  • The Eye of Cthulhu drops Demonite Ore. Most game-advancing Demonite items also require Shadow Scales, which the Eye doesn't drop (Shadow armor, Nightmare Pickaxe), so the Eater of Worlds should be the player's next goal. Likewise in a world with the Crimson instead of Corruption, the Eye of Cthulhu will drop some Crimtane Ore but not any Tissue Samples.
  • Farming the Eye of Cthulhu is one of the most effective ways of making money prior to Hardmode, second only to the Eater of Worlds in one-time drop value. Its coin drop, combined with selling its item drops, will yield an average of 7 Gold Coin in total each time. Mid- to end-game armor and weapons make the fight very easy.
  • Obtaining a Starfury from a Floating Island can greatly increase early/mid game success in besting this foe. Learning to control the falling star mechanic of the Starfury is key in this advantage because that the star does not fall randomly but rather in relation to the player and the cursor.
  • A good strategy if you don't want the Eye of Cthulhu to spawn randomly is to simply take enough of your armor off so you have 9 defense or lower.
  • When the Eye of Cthulhu is changing into its second form, it stops moving and spins for a couple seconds giving you a chance to deal massive damage.
  • It's beneficial to make an arena that consists of multiple layers of wood platforms, as it is with most bosses.
  • Using rope systems in your arena can help you dodge vertically, especially on the second stage. However, due to the dexterity required to maneuver between rope and platforms (you need a 1 space buffer between any platforms and the rope for maximum speed) and the extremely slow speed of horizontal rope, it is not recommended for either new players or players who are generally less adept at quickly maneuvering the controls to use this method.
  • It helps to have a ranged weapon, as this makes it easier to hit the Eye of Cthulhu.
  • Having something that allows flight helps by allowing you to get near to the Eye of Cthulhu while it is hovering.
  • Using Shurikens or Throwing Knives against it in the early part of the game can cause a lot of damage rather easily, and the pierce of these items will also kill the Servants of Cthulhu it spawns almost instantly.
  • Summoning the Eye of Cthulhu during a Blood Moon doesn't appear to make the fight any more difficult, and doesn't appear to increase the amount of loot that it should drop.
  • The Eye looks at the player it will follow, which can be helpful information in multiplayer.
  • The Eye has no special resistance against elemental attacks, making flaming arrows and other weapons with effects extremely effective against it. Being On Fire! or Frostburned will also light the Eye, making it easier to track.
  • The Wooden Boomerang, Enchanted Boomerang, Ice Boomerang and the Flamarang are extremely effective weapons against the close range Eye and can get many hits in a few seconds making it one of the most effective weapon choices.

Trivia[edit]

  • Cthulhu is an entity from the works of writer H.P. Lovecraft, first appearing in his short story The Call of Cthulhu. Cthulhu is described as a slumbering Elder God who will destroy all living things should he ever awaken.
  • Sometimes NPCs will mention sensing something evil watching them when you meet the requirements to battle the Eye of Cthulhu.
  • In the Mobile Version the music is Boss 4 instead of Boss 2 .

Bugs[edit]

Anomaly.png Anomaly: While fleeing after dawn, the EoC won't change forms, even if its health drops below 1400.
Bug.png Bug : Very rarely, you can grapple to the EoC when it is flying away at dawn. (Confirmed on mobile version)
Bug.png Bug : Very rarely, after defeating the EoC, it won't drop anything. (Confirmed on PC version)
Bug.png Bug : Rarely, when you defeated the EoC at a dungeon, a werewolf can spawn. When you hit the werewolf it can double itself.
Bug.png Bug : Rarely, when you summon EoC and the Twins at the same time, the line from the Twins will connect all 3 eyes.

See also[edit]

History[edit]

Characters: Blue Slime.png Pre-Hardmode Enemies • Pixie.png Hardmode Enemies • Goblin Warrior.png Event Enemies • Skeletron Head.png Bosses
Bunny.png Critters • Guide.png Friendly NPCs • Baby Dinosaur.png Familiars