During the era of Raava, people received the element of fire from the fire lion turtle that was the guardian of their city, who would grant them the power with energybending. They could request it whenever they ventured into the Spirit Wilds and were to return it when they came back. However, Wan stole the power to better his life and that of his impoverished friends, but was captured and banished. He was allowed to keep the power of fire to protect himself and eventually befriended the spirits. As such, he managed to hone his firebending skills by learning the proper way of bending from the dragons that lived in the Spirit Wilds. He developed his style in such a manner that his fire became an extension of his body, rather than a mere tool for protection as the others perceived it. Others learned of his survival and also set out into the Spirit Wilds with the power of fire, no longer wanting to live under the poor conditions they had in the city.[7]
In the years following, firebending was learned from the dragons that had once populated the firebenders' land. The first people during the era of the Avatar to learn from the dragons were the Sun Warriors, who understood the connection between the fire of their souls, the fire of the dragons, and the sun. In the remains of their once great civilization, Zuko and Aang discovered that firebending represents energy and life, a concept that had been lost to nearly all firebenders in the Hundred Year War. The true meaning of firebending was forgotten as anger, rage and a desire to dominate began to replace the ideals of life and energy, and how they connect to the sun. The Royal Family encouraged this to aid in the propaganda that fire could be used as a tool to destroy and that the Hundred Year War justified.[3]
Firebenders draw their power from the sun and other solar objects, such as comets. A solar eclipse has the potential to completely negate a firebender's power, which is the result of a direct connection between the sun and firebending.[8] Additionally, after defeating Katara at sunrise during the Siege of the North, Zuko stated that she rose with the moon, but he rose with the sun, further referencing the sun's importance to firebending.[9] Firebenders are also said to draw power from volcanic energy and lightning.