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Marvel Cinematic Universe Wiki

"With the Eternal Flame, you are reborn."

The Eternal Flame was a mystical, inextinguishable fire from which the Fire Demon Surtur drew his power.


"The Eternal Flame. Want to see what true power really looks like?"
Hela to Skurge[src]

Over 5,000 years ago, Odin battled Surtur in an attempt to prevent him initiating Ragnarök, the fated destruction of Asgard. Odin successfully incapacitated Surtur, banishing him to Muspelheim and bringing the Eternal Flame back to Asgard, sealing it in his vault, where it was guarded by the Destroyer.[1]

Hela takes the power of the Eternal Flame

During the confrontation between Thor and Surtur, the latter explained that Ragnarök would occur when his crown would be merged with the Eternal Flame. Later, Hela resurrected her army of Berserkers and Fenris by using a handful of the Eternal Flame. As Thor and his Revengers were fighting Hela's army in Asgard, Thor understood that in order to defeat her, Asgard, Hela's power source, must be destroyed. Loki dropped the Crown of Surtur in the Eternal Flame, resurrecting Surtur and unleashing Ragnarök.[2]


"You're gonna put your crown into the Eternal Flame, and then you'll suddenly grow as big as a house?"
"A mountain!"
Thor and Surtur[src]

The Eternal Flame is the source of Surtur's power. By placing Surtur's crown into the Flame, Surtur can be summoned and, if he has already been killed, even resurrected, restored to full power, enabling him to unleash Ragnarök.

Hela resurrects her army of the Berserkers

The Eternal Flame can resurrect others as well, as demonstrated when Hela used the Flame to revive Fenris and her army.

The Flame's power was so great that it was the only thing Hela bothered to retrieve from Odin's Vault, dismissing even the Tesseract as being merely "not bad" in comparison.


  • In the comics, the Eternal Flame is a mystical flame that cannot be extinguished. It was stolen from Surtur by Odin, Vili, and Ve Borson at the dawn of time so that Surtur could not light his sword and bring about Ragnarök.


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