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.
Nidhogg from Final Fantasy X appears as an enemy in Pictlogica Final Fantasy.
Níðhöggr (meaning "malice striker" in Old Norse, commonly anglicized as "Nidhogg") is a dragon in Norse mythology who would eat the roots of Yggdrasil, the world tree.