What zone do you battle Ny'Vene's ?

Ny'venes are a fabled species and are actually never encountered in the wild. The only way to get a tamed ny'vene is from the ny'vene shop in the arena where they will either cost you arena marks, which you win from battles in the arena, for a hatchling or gold for an eggling. It has the same sort of set-up as the scale shop in the respect that the more expensive, the better a chance at getting traits.