As Tom and Elenna left, Ferno took over caring for Storm and Silver, extending a wing over the two of them. With the aid of Berric, the Beast dominated the battle, forcing Tom to summon Ferno for aid in battle. When the Beast Guard hauled himself from the surf, the Fire Dragon swung around to face him, chasing him as the Evil Beast headed for Elenna's boat.

Ferno's voice flitted in and out of Tom's mind through the Red Jewel and his scale as angry and confused whispers, mixing and merging with the voices of the other Beasts. As the Mirror Demon pursued Tom and Elenna to Gorgonia, Kapra used her serpentine magic to cover Ferno and the other Good Beasts in binding snakes. The Beast was targeted by Malvel and brought under the dark wizard's control due to a dark magic collar being fastened around his neck, and contributed to the corrupted Beast's attempt to bring Avantia to its knees so Malvel could take power. Silver was the first to attack as the tail descended at his foes, biting into the scaly flesh of the tail's end. A large dragon Beast, Ferno is one of the Good Beasts of Avantia who helps defend the realm from harm.He was also fast enough to arrive at Arax's mountain in a matter of minutes and dodge Arax's fast whip. Durability Limits: Ferno's durability has limits, as seen when he got knocked out by a flaming boulder. He wobbly flew over the Bone Spider and released a jet of flame on her, forcing her to release Tom before rolling across the sand to attempt to extinguish the fire.

The Tangalans loaded a flaming boulder, which amused Ferno, who promised he would show them fire, before the boulder slammed into his head and knocked him out.Unlike the rest of his Beast brethren, Ferno apparently was able to remain uncaptured for several days, although the land's evil still drained him of his energy, causing resting on a hilltop. When the city began to collapse after Ravira's defeat, the Fire Dragon and Flame Bird flew away, reuniting with the villagers (recovering from being Hounds of Avantia) and Tom and Elenna, flying in circles over the group. After Tagus was forced to withdraw from battle with Kyrax, Tom summoned Ferno to battle due to the Beast's fear of molten metal and fire.

Flying over the icy wastes near the Frozen Ocean, the combination of the cold and exhaustion from nearly dying (as well as potential lingering effects of the dart), caused the Beast to begin to lose altitude and crash. Aduro was watching, and gives Tom the dragon scale, the reward for freeing Ferno and when put into Tom's shield, could deflect any heat.Tom helped the Fire Dragon fly around the twisters, but one of the storms pulled Ferno's wing upwards, throwing the Avantians from his back as he lost altitude, the group crashing into the sand dunes, being cushioned by the sand. Ferno then stayed in the Ruby Desert for some time to recover his strength as Tom went on to fight Lypida and Malvel. Ferno moved away a short distance with a shake of his head, watching Tom and Elenna walk toward the City of Snakes.