Giant Worm

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Giant Worm
Giant Worm.pngOld-gen console version and Nintendo 3DS version
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
AI TypeWorm AI
Max Life30/60330396/90495594
KB Resist100%
BannerWorm BannerWorm Banner
Immune toConfused
Coins40 CCPre-Hardmode: 1 SCHardmode: 4 SCPost-Plantera: 4 SC80 CC

The Giant Worm is an Underground enemy that tunnels through blocks to attack the player, spawning in the Underground and Cavern layers. It makes a distinctive shuffling sound that grows louder and more rapid as it approaches the player, providing an indicator of its presence and proximity. It also leaves behind a subtle particle effect in its trail.

On Old-gen console version Old-gen console and 3DSNintendo 3DS version versions, it only spawns in pre-Hardmode and is replaced by the Digger in Hardmode.


The Giant Worm consists of 6–8 segments in total. Its head is more vulnerable to attacks than its body or tail, but also does more damage.

Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
2 values: Pre-Hardmode › Hardmode
3 values: Pre-Hardmode › Hardmode › Post-Plantera
NPC ID Type Damage Defense
10 Giant Worm Head.png Giant Worm Head 8/167286/24108129 0
11 Giant Worm Body.png Giant Worm Body 4/83642/125463 4/42024
12 Giant Worm Tail.png Giant Worm Tail 4/82836/124254 6/62430


  • The Giant Worm's body and tail do the least damage of all current Enemies, but due to its large size, it is capable of striking a player multiple times in a single pass.
  • The Giant Worm does not take damage from Lava.


  • Spears are the quickest way to deal with Giant Worms early in the game, along with any other weapon that can deal multiple hits at a time.
  • Using a Flaming Arrow against the Worm will set it on fire, making it easier to track.
  • If the player has a Slime Gun and hits the Worm, it can also be tracked more easily due to the slime effect left by the debuff.
  • Giant Worms can surprise new players due to being able to spawn even when the player is slightly above Underground.


  • The BestiaryBestiary entry for the Giant Worm: "These itty bitty diggy dawgs dig through the earth and take focused spelunkers by surprise, causing unwanted distress."


  • Desktop 1.1:
    • All segments now share a life counter, instead of individual life counters for all segments. Previously Head, Body and Tail had 10, 15 and 20 health, respectively.
    • Only spawns before Hardmode, after which it is replaced by Diggers.