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Flask of Fire
  • Flask of Fire item spriteold Flask of Fire item sprite
Stack digit 3.pngStack digit 0.png
Use time17 (Very fast)
TooltipMelee and Whip attacks set enemies on fire
RarityRarity level: 4
Research20 required
Grants Buff
BuffWeapon Imbue: FireWeapon Imbue: Fire
Buff tooltipMelee attacks set enemies on fire
Duration20 minutes ()
15 minutes ()

The Flask of Fire is a flask that will cause any melee weapons (and whips) to inflict the On Fire! debuff. On the Desktop version Desktop version, Console version Console version, Mobile version Mobile version, Nintendo Switch version Nintendo Switch version, and tModLoader version tModLoader version, this effect will not be lost when the player dies.

The Flask of Fire cannot be used in conjunction with other flasks, and using it will remove any existing flask effects.

This item currently does not apply the debuff in PvP scenarios. The debuff lasts for 3–6 seconds.



ResultIngredientsCrafting station
Flask of FireFlask of Fire (Desktop versionConsole versionMobile versionNintendo Switch versiontModLoader version)Imbuing StationImbuing Station
Flask of FireFlask of Fire (Old-gen console versionNintendo 3DS version)
total: 2 row(s)


  • The Flask of Fire is a cheap way of providing light when exploring underground in early Hardmode. While the Hellstone cost may be high, the buff lasts for quite a long time and persists after death.


  • It is the only non-renewable flask currently in the game, since Hellstone is generated in a finite amount per world and cannot be fished from crates.


  • Desktop
    • Buff duration increased from 15 to 20 minutes.
    • Now requires 3 Hellstone instead of 5.