Nidhogg is an enemy in Final Fantasy X. This enemy is found in the Cavern of the Stolen Fayth and in Mt. Gagazet. It has high power and uses a Fire-based magic attack called Flame Breath, which hits all allies. It has a thick, scaly hide, so use Auron and Kimahri's piercing weapons. Nidhogg will drop weapons with any of the elemental strikes and armor with Slow Ward.