Naruto: Strongest Fire Release Ryujin Jakka

Li Yi transmigrated—and ended up in the world of Naruto. Fortunately, when he crossed the dimensional rift, he obtained the Mera Mera no Mi and Ryūjin Jakka. That was enough to give him a foothold in the shinobi world. Uchiha Madara: "Kid, do you want to dance too?" Li Yi: "All things in this universe turn to ashes. Ryūjin Jakka!" Madara, coughing blood: "Kid... I crown you the strongest fire-style user of all time!"