Roku found Fang when the latter was just a baby, not yet hatched from his egg. Fang's parents were gone, so Roku raised the young dragon as his own. Eventually, the pair became inseparable.
Where to Find:
Once you warp to /warp bosses you go straight and turn left to the red island leading up to Roku, Click him.
Then to start the fight, click the Ready Sign.
FrostBreath to freeze him.
Enable WarriorStance to deal more damage.
Aang Glider to dodge attacks.
Have atleast Kyoshi Armor.
Have atleast a Kyoshi Fan, but a Chi Gauntlet is recommended
Keep your distance.
Power V, Infinity Bow
Once you start the fight, He will start performing fire attacks like Fire Rings, Fire Vortex, Fire Shots, Fire Flight.
He has 1000 Health and will switch moves every 8-10 seconds.