Truffle Worm

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Truffle Worm
Truffle Worm (NPC).png
EnvironmentMushroom biome
AI TypePassive Worm AI
Max Life5
KB Resist0%
Truffle Wormburrowing
Truffle Worm2 (NPC).png
EnvironmentMushroom biome
AI TypeWorm AI
Max Life5
KB Resist100%
Truffle Worm
  • Truffle Worm item sprite
Stack digit 9.pngStack digit 9.pngStack digit 9.png
Bait Power666%
Use time15 Very Fast
RarityRarity level: 3
Sell100000*10 Gold Coin.png
A Truffle Worm as it appears before being caught.
Truffle Worm animation

The Truffle Worm is a rare critter that spawns in the underground Mushroom biome during Hardmode. It is solely used to summon the Duke Fishron boss. In order to use it, it must be caught with a Bug Net and used as bait with a Fishing Pole in an Ocean biome. Desktop versionConsole versionOld-gen console version It only spawns underground, and will not appear in surface Mushroom biomes.

The Truffle Worm is more difficult to catch than other Critters, as it burrows away when a player comes too close. It must be charged at quickly, with the Bug Net already swinging when arriving in its range, in order to successfully catch it.

Unlike most Critters, the Truffle Worm cannot be used for ordinary fishing, nor for crafting a Cage. When attempting to use it as bait, the bobber will simply sit in the water indefinitely, unless fishing in an Ocean (where anything reeled in will summon Duke Fishron).

Desktop VersionConsole VersionMobile Version It is one of the few critters that can be detected by the Lifeform Analyzer.

Notes[edit | edit source]

  • The Truffle Worm is internally considered an enemy rather than a critter, despite not posing any threat.
    • However, other enemies can still damage and kill it.
  • Truffle Worms follow the Worm AI even in their passive state on 3DS versionDS.
  • 100 tiles of Mushroom blocks are not necessary for Truffle Worms to spawn. Mushroom enemies and Truffle Worms will spawn wherever there is Mushroom grass, without requiring that the area is actually considered a Mushroom biome.
    • On Mushroom grass, each enemy spawn has a 2/3 chance of being a mushroom-themed enemy or critter. Each time this happens, there is a 1/7 chance (1/5 as of VersionConsole VersionMobile Version) that the mushroom-themed character is a Truffle Worm. Considering the maximum spawn rate (1/60 per tick[1]), the maximum expected Truffle Worm spawns is 343 per hour (2/3*1/7*3600) (480 as of VersionConsole VersionMobile Version, although Truffle Worms can be killed by enemies in 1.3, drastically increasing the difficulty to reach the expectancy).

Achievements[edit | edit source]

Achievement Like a Boss.png
Like a Boss • "Obtain a boss-summoning item."
Obtain any boss-summoning item. Desktop VersionConsole VersionMobile Version

Tips[edit | edit source]

Using the Underground Jungle to farm Truffle Worms (having four of them at the same time was immense luck).
A multi-level farm is useful for both Truffle Worms and Glowing Mushrooms.

Catching[edit | edit source]

  • Truffle Worms will burrow themselves (eventually despawning) if the player is near them for about 1 second, so the use of a speed-enhancing item is suggested. A Grappling Hook, wings, Lightning Boots, or Tabi have speed improvements or dashing.
  • Using an Invisibility Potion will make catching a Truffle Worm a lot easier as they will wait longer before they run away.
  • Take note that if a Truffle Worm is let free by a player, it will also burrow, and despawn almost immediately if approached or stood near to for more than a few seconds.
  • Even while burrowing, the Truffle Worm can be caught. If the Truffle Worm is in a small pit where it is impossible or very difficult to catch from above, and there is a cave below it, a player can jump up directly under it and swing the bug net to catch it as it tries to burrow downward.
  • As with any critter, summoned minions do not directly target the Truffle Worm, but can inadvertently kill it.
  • A Rod of Discord makes catching Truffle Worms easy, since it greatly facilitates getting into their vicinity.
  • Using a Golden Bug NetDesktop VersionConsole VersionMobile Version can make it easier to catch the Truffle Worm before it burrows as it has a longer reach and swings faster than a normal Bug Net.

Spawning[edit | edit source]

  • Since the Truffle Worm is not considered a critter, NPCs should not be used as a means to increase the proportion of critters in the total number of creatures spawned.
    • Each existing enemy may reduce the spawn rate of the next. Getting rid of excess enemies will give the Truffle Worm more opportunities to spawn.
  • This is another multi-level farm, also useful for Truffle Worms and Glowing Mushrooms.
    This is another multi-level farm, also useful for Truffle Worms and Glowing Mushrooms.
    Despite being considered an enemy, other enemies can kill the Truffle Worm. This includes all enemies present in an Underground Mushroom biome. If simply using a flattened stretch of Mushroom grass, be wary of other enemies, as they can make catching even a single Truffle Worm an aggravating task. Instead of just flat ground, a platform can be built below the grassy blocks, with most of the space above the Mushroom grass blocked off and leaving only a one-block high corridor to keep the worms safe from other enemies. The worms can then be collected up by swinging a net through the blocks from below.
  • Water Candles and Battle Potions will increase its spawn rate.
    • While a Water Candle or Battle Potion will cause more Truffle Worms to spawn, they will also greatly increase the likelihood of it dying to additional enemies.
  • One way to increase the chances of finding Truffle Worms is to convert a large section of the Underground Jungle into an Underground Mushroom biome, using the Clentaminator with Dark Blue Solution. A slower alternative would be to use Mushroom Grass Seeds instead of solution.
  • A simple but perhaps slower way to farm them is to simply move away from and back to a Mushroom biome repeatedly, causing new monsters to spawn and potentially a Truffle Worm.
    • The Portal GunDesktop VersionConsole VersionMobile Version can be used to make an infinite falling loop. If it is high enough, going in can cause other enemies to despawn, allowing the Truffle Worm to have more chances to spawn.

Trivia[edit | edit source]

  • The number 666 in the Truffle Worm's "666% bait power" is a reference to the Number of the Beast, commonly associated with Satan.
  • When carrying the Truffle Worm as the first bait (top- and leftmost in the inventory), the Fisherman's Pocket Guide (and its combined accessories) will display a player's fishing power simply as "Warning!", due to the fact that Duke Fishron will spawn when using this as bait in an Ocean biome and no fish will be caught when not in an Ocean biome.
  • The combination of truffle and worm represented by the Truffle Worm ties in with the combined fish and pig-like nature of Duke Fishron.
  • The Truffle Worm appears to be the only worm in the game to have visible eyes, 3DS Version excluding the Worm pet summoned by the Suspicious Looking Apple.
  • Although the Truffle Worm is considered an enemy, the Hunter Potion will not highlight it.

History[edit | edit source]

  • Desktop Fixed a bug where trying to use multiple Truffle Worms while the line is pulled would make numerous Duke Fishrons appear. Fixed issues where the Truffle Worm would be consumed without summoning Duke Fishron.

Footnotes[edit | edit source]

  1. A tick is a time unit countable by the software. Most of Terraria's updating logic happens every tick. A tick has the length of 1/60th of a second, hence there are 60 ticks in a second and 3600 ticks in a minute.