Blue Flame

Blue Fire is a type of flame with different properties to fire in and.

Blue Fire can be found in the Ice Cavern and Ganon's Castle. It can also be bought at the Medicine Shop for 300 Rupees. In, it can also be found in the Gerudo's Training Ground.

Blue Fire is used to melt Red Ice. Link must first scoop it from a pedestal by using an empty Bottle or buy it from the Medicine Shop. Blue Fire is required to progress through the Ice Cavern and obtain the Iron Boots. It is also needed to get the Zora Tunic by melting the Red Ice in which King Zora is encased. Alternatively, Link can melt the Red Ice blocking the entrance to the Zora Shop in order to buy the tunic. Blue Fire can also be used to obtain a Piece of Heart encased in Red Ice in the Ice Cavern.

When flying through Blue Fire, Keese will become Ice Keese.

Blue Fire appears once more in, but has different properties to the blue fire from. The blue fire grants energy to terminals and ancient Sheikah technology for 10,000 years without burning out. Blue fire is required to restore power to the two ancients labs - the Hateno and Akkala Ancient Tech Lab - in order to upgrade his Sheikah Slate and exchange ancient materials to Cherry. As bottles do not appear in-game, Link must use wooden weapons such as torches to carry the flame around.

Blue flames can be found in ancient furnaces in Hateno Village and Tumlea Heights, and also are able to set flammable things on fire, however this will spread generic fire, instead of blue fire. Blue flame can also be found within the Divine Beasts and Shrines to solve various puzzles, for example inside of Vah Rudania to light the interior before the roof holes open.

Trivia

 * Blue Fire can destroy bombable walls.
 * features a similar object which "burns" the Boomerang and can be used to freeze water or transform Keese into Ice Keese. This fire cannot be contained or transported.