Valley of Clouds and Lightning

Located somewhere within the Land of Lightning's many mountain ranges is a valley called the. It's a water-filled valley covered in clouds or fog. Within this valley is a dark cavern where Killer B, the jinchūriki of the Eight-Tailed Giant Ox, trains.

The valley is greatly devastated due to Killer B launching a Tailed Beast Ball at the area during his fight against Taka.