Helium Flash

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Helium Flash
  • Helium Flash.png
Stack digit 1.png
Damage1800 Magic
Knockback9.5 (Extremely Strong)
Mana cost40
Critical chance4%
Use time40 Extremely Slow
Velocity45 effective
TooltipLaunches volatile star cores which erupt into colossal fusion blasts
'The power of a galaxy, if only for mere moments'
Inflicts DebuffDaybrokenDaybroken
100% chance

Debuff duration3 seconds (Starcore)
5 seconds (Explosion)
Debuff tooltipIncinerated by solar rays
RarityRarity Level: 15
Sell 48 Gold Coin.png
Research1 required
Projectile created
Volatile Starcore
Volatile Starcore

The Helium Flash is a craftable post-Moon Lord wand. When used, it fires a burning star core which bursts on impact into an enormous flaming explosion much like the Inferno Fork. The explosion ignores NPC immunity frames. Both the burning star core and explosion inflict the Daybroken debuff.

Its best modifier is Mythical.




  • This weapon is named after the astronomical phenomenon in which red giant stars reach a critical density and begin rapidly fusing helium into carbon in their cores.
    • The tooltip of this weapon references the power of helium flashes. They produce as much heat as an entire galaxy for about a minute.


These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
  • Increased sell price from 30 Gold Coin to 48 Gold Coin.
    • Nerfed damage from 2727 to 1800, and it no longer inflicts Irradiated.
    • Fixed it not releasing dust when fired.
  • Now uses 5 Auric Bars in its recipe instead of 1.
    • Decreased Daybroken and Irradiated durations from starcore from 15 seconds to 3, and Daybroken duration from explosions from 15 seconds to 5.
    • No longer considered a fire weapon.
    • Buffed damage from 1111 to 2727, but nerfed use time from 37 to 40.
    • Explosions now deal 12.5% base damage.
    • Voltaic Starcore projectiles now grant 8 local immunity frames instead of 2.
    • Now uses 5 Auric Bars, 20 Solar Fragments, and 5 Nebula Fragments in its recipe instead of 10 Cosmilite Bars, 10 Darksun Fragments, 80 Solar Fragments, and 20 Nebula Fragments.
    • Resprited.
    • Nerfed damage from 1280 to 1110.
    • Now uses the Rarity Level: 15 rarity instead of Rarity Level: 14.
    • Moved the flavor text to the first line of tooltip.
    • Nerfed damage from 1900 to 1280.
    • Explosions now deal 50% base damage, but no longer deal flat damage.
  • Fixed it using the Rarity Level: 15 rarity instead of Rarity Level: 14.