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  • Flairon item sprite
Stack digit 1.png
Damage66 (Melee)
Knockback4.5 (Average)
Critical chance4%
Use time20 (Very fast)
TooltipSpews homing bubbles
RarityRarity level: 8
Sell5 GC
Research1 required
Projectiles created
  • Flairon
  • Flairon Bubble
    Flairon Bubble
Obtained from Obtained from Obtained from
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
Duke Fishron
(Second/Third Phase)
Duke FishronDuke Fishron
(Second/Third Phase)
Treasure Bag(Desktop, Console and Mobile versions)
(Duke Fishron)
Treasure Bag (Duke Fishron)Treasure Bag
(Duke Fishron)
(Desktop, Console and Mobile versions)
Animation of the Flairon. Note how the bubbles home in on the Mimic.

The Flairon is a Hardmode flail that repeatedly fires a ball-and-chain up to around 25 tiles from the player while releasing homing bubble projectiles that damage enemies. The flail's head resembles Duke Fishron and emits a homing, non-piercing bubble once every 1/15th of a second while it is deployed. The Flairon has a 1/5 (20%) chance of being dropped by Duke Fishron.

The Flairon is a launched flail, that, despite its appearance, is more similar in function to the Chain Knife, the KO Cannon, and the Golem Fist. It is not affected by gravity, does not remain deployed when holding the Use / Attack button, and cannot be swung around. Rather, holding the Use / Attack button causes it to auto-fire repeatedly, returning and re-firing when it impacts a block or enemy, or when it reaches its maximum range.

Its best modifier is Godly or Demonic. Both modifiers increase the average damage output by the same amount.


  • Like most projectiles, the Flairon moves slower in liquids. However, as it emits bubbles while deployed, increasing the time it remains extended also increases its damage output.
  • On the Desktop version Desktop, Console version Console, and Mobile version Mobile versions, the Flairon's bubbles will not inflict debuffs, do not carry fire effects from the Magma Stone, its derivatives, or the Frost armor set bonus, and do not trigger the Hallowed armor's set bonus. The head, however, will carry all of these.
  • Without modifiers, the head travels at a speed of 102 mph. This can be seen by using a Mechanical Cart(Desktop, Console and Mobile versions) (which travels at 102 mph according to the Stopwatch), and firing the direction opposite of where the player is going.
  • The Flairon and its projectiles can go through one-block-thick walls. By standing against the wall and horizontally launching the Flairon, it will sometimes go through the wall.


  • In order to maximize the damage output, it is beneficial to try and run away from the direction the Flairon is thrown in.
  • Because the Flairon produces the bubbles while it is being swung, it is more effective if aimed slightly away from desired targets. The bubbles do the same amount of damage as the main projectile but have the additional bonus of homing and frequency.
  • On the Old-gen console version Old-gen console and 3DSNintendo 3DS version versions, the Flairon is one of most powerful melee weapons available. On the Desktop version Desktop, Console version Console, and Mobile version Mobile versions, it is outclassed by the Solar Eruption, although its homing abilities make it useful in the endgame.


  • The name Flairon is a portmanteau of flail and fishron.
  • Re-Logic has referred to the Flairon as "Flailron" in patch notes.[1]
  • This is one of only three flails that fire additional projectiles, the others being the Flower Pow and the Drippler Crippler(Desktop, Console and Mobile versions). Of these, the Flairon is the only launched flail out of the three.


  • Desktop 1.4.4:
    • Bubbles now last 33% longer before popping.
    • The range at which the bubbles will lock on and chase a target increased by 30%.
  • Desktop
    • Sell price increased from 2 SC to 5 GC.
    • Flairon's chain will now go back faster if it is too far and disappear if it still cannot catch up.
  • 3DS-Release: Introduced, but unobtainable due to Duke Fishron being unspawnable.