I'm not entirely sure if there is a specific 'Naruto can lava bend' fanfiction. Fanfiction covers a vast range of concepts and ideas. While lava bending is more associated with the Avatar universe, in the world of Naruto fanfiction, someone could have come up with a story where Naruto somehow acquires this ability. It could be due to a new jutsu he discovers, or maybe a strange encounter with some sort of elemental spirit. But without thoroughly searching fanfiction websites, it's hard to say for certain.
Another fanfiction could involve a situation where Azula is transported to the Naruto universe. She might mistake the lava - based attacks in the Naruto world as some advanced form of firebending. Naruto and his friends would be both curious and cautious about this powerful newcomer with her unique abilities related to fire and Naruto's lava - like jutsu could play a role in their interactions.
Lava release in Naruto fanfiction can be a unique element to explore different plotlines. Some fanfictions might focus on a character developing lava release abilities from scratch. This could involve intense training sequences where the character has to endure extreme heat and learn to control the volatile nature of lava. It also opens up the possibility of new jutsu combinations, like mixing lava release with other elements such as wind to create a more devastating attack.
One consequence could be that he becomes extremely powerful. His physical abilities like strength, speed, and endurance are enhanced. He can also use more powerful jutsus with the extra chakra boost from the Kyuubi.
One interesting way is when Naruto absorbs chakra through his shadow clones. In some fanfictions, the clones can be used not just to gather information or attack, but also to absorb the chakra of the opponents they interact with. Then, they transfer this absorbed chakra back to Naruto, making him more powerful.
Perhaps there is an ancient artifact or a powerful curse that causes Naruto to absorb all chakra. In the fanfiction world, it's common to introduce such unique elements. For example, he might find a magical scroll that, when opened, starts sucking in all the chakra in the vicinity and then channels it into Naruto. Or it could be a curse placed on him by an enemy, but instead of harming him, it gives him this strange power to absorb all chakra.
The consequence might also be a shift in the balance of power in the Naruto universe. With all that chakra, Naruto could potentially change the political situation. He could end wars single - handedly or force the different ninja villages to re - evaluate their strategies. Moreover, his own physical and mental state might be affected. There could be a struggle within him to keep his identity intact while dealing with such an overwhelming power source.
He could share it with Hinata. Given their relationship, Naruto might transfer some of his chakra to Hinata to protect her during a dangerous situation. This would also strengthen their bond further in the fanfiction.
One interesting concept could be a character unlocking the hidden potential of the chakra gates in a unique way. For example, they might discover a new sequence of opening the gates that gives them powers beyond what was thought possible in the original Naruto lore.
Perhaps the origin of the chakra chains lies in Naruto's connection to the tailed beasts. Since he has a unique bond with the nine - tailed fox, the chakra chains might be a manifestation of that bond, combined with his own latent Uzumaki powers. It's possible that as he grew stronger and his understanding of chakra deepened, this ability was awakened.