Toxic Flask

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Toxic Flask
  • Toxic Flask item sprite
Stack digit 1.png
Damage52 (Magic)
Knockback4 (Weak)
Critical chance4%
Use time45 (Very slow)
RarityRarity level: 8
Sell10 GC
Research1 required
Projectiles created
  • Toxic Flask
    Toxic Flask
  • Toxic Cloud 1
    Toxic Cloud 1
  • Toxic Cloud 2
    Toxic Cloud 2
  • Toxic Cloud 3
    Toxic Cloud 3
  • Internal Item ID: 3105 (Desktop, Console and Mobile versions)
  • Internal Projectile ID: 510, 511, 512, 513
Obtained from Obtained from
Classic Mode.png Classic
Expert Mode.png Expert
Master Mode.png Master
Dr. Man Fly(Desktop, Console and Mobile versions)Dr. Man Fly.gifDr. Man Fly(Desktop, Console and Mobile versions)12.5%4.94%
The player throwing a Toxic Flask at Target Dummies.

The Toxic Flask is a Hardmode, post-Plantera magic weapon that throws a flask with low velocity and a heavy arc that explodes into a cluster of small, damaging toxic clouds upon colliding with an enemy or surface. The clouds last for one to two seconds and cannot pass through blocks. The Toxic Flask has a 1/40 (2.5%) / 79/1600 (4.94%) chance to be dropped from Dr. Man Flies during the Solar Eclipse event.

Its best modifier is Mythical.


  • The Toxic Flask is similar to the Inferno Fork, with its lingering projectiles and low velocity. While the Flask can potentially deal more damage, it has a higher mana cost and very limited vertical range.
  • While the Toxic Flask excels against crowds of enemies, it is usually less effective against single resilient enemies like bosses.
  • A single cloud will instantly disappear each time the weapon damages an enemy, which may or may not limit effectiveness depending on how many enemies are within the spread.


  • The Toxic Flask, Molotov Cocktail, and the Ale Tosser are the only weapons to feature a thrown bottle/glass projectile.
    • It is the only magic weapon to have this property.
  • Being a magic weapon, despite having "Flask" in its name, it is in no way related to the buff-granting flasks and shares no other similarities.


  • Desktop 1.4.4:
    • Damage increased from 46 to 52.
    • Usetime increased from 28 to 45.
    • Flask projectile speed/distance increased from 9 to 14.
    • Received a visual overhaul to make the gas clouds more "gassy".
    • Projectiles now linger substantially longer than before.
    • Projectiles no longer penetrate walls, but will now "spread out" around a region, slightly pushing away from each other to fill a small area of space. This results in a more concentrated area of gas clouds, with less wasted to being stuck in walls or the floor.