Route 8 (Japanese: 8番道路Route 8) is a route in western Kalos. It consists of two different paths. The upper cliffside path connects Ambrette Town and Connecting Cave, while the lower seaside path connects Ambrette Town and Cyllage City. The route is also known as Muraille Coast (Japanese: ミュライユ海岸Muraille Coast).
The upper section of Muraille Coast is a rocky mountain road, whose cliffs offer a clear and magnificent view to the sandy beach and ocean below. Despite the rocky environment, tall grass and colorful flowers can be found growing here. Many ledges restrict the player's movements here, although some of them can be circled around. Due to the high altitudes present on the route, Sky Trainers tend to be present on the cliffs.
The lower section of Muraille Coast can be accessed from the bottom floor of the Ambrette Aquarium, and it consists of a bright, sandy beach and a slice of ocean. It is full of not only Water-type Pokémon, but also water-themed Trainers, such as Swimmers and Fishermen. A Mago Berry tree is growing in the southern area of the route. Many rocks can also be found across the beach, especially near the sound end. Some of these rocks can be broken with Rock Smash. One such rock is blocking access to a Trainer Tips sign, which will notice the player being able to use Rock Smash to reach it.
A Swimmer ♀ will prevent the player from going through a certain point of the beach until they've obtained a Fossil in the Glittering Cave, after which she'll give the player a Dowsing Machine, making locating hidden items a lot easier.
Coastal area: by the Swimmer ♀ who gives the player the Dowsing Machine, two spaces west and four north of the rock directly east of the Mago Berry tree (hidden, reappears occasionally)
While wildSeviper and Zangoose are game-exclusive Pokémon in single encounters, they can be found within hordes in both X and Y. In the version where they can only be found in a horde, only one is present in that horde and can be targeted by the other members of the horde. This is because both Pokémon are natural enemies.
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.
Route 8 appeared in An Undersea Place to Call Home!. Ash and his friends relaxed there before Ash had his Gym battle with Grant. While fishing, Ash hooked a Skrelp and attacked him and his friends as it thought that they were its enemies. Pikachu became badly poisoned after getting hit by Skrelp's Toxic. Eddy and Lindsey arrived in Route 8 and Lindsey treated Pikachu, curing him of the poison. A sunken ship which contained some treasure was located underwater of Route 8. Some strong currents were there too but disappeared sometimes. Ash, Serena, and Lindsey went ahead in a submarine underwater.
While on their exploration, they saw some Water-type Pokémon, including the Skrelp from before, and Dragalge. Team Rocket arrived with the Magikarp submarine and attempted to steal the treasure inside the sunken ship. Despite Team Rocket being confronted by the group and the Water-type Pokémon, they were able to grab a safe containing the treasure at the cost of the ship sinking away completely. While the Water-type Pokémon attempted to fix the hole that Team Rocket made on the sunken ship, Froakie and Skrelp went after Team Rocket. When Team Rocket made it to the surface, the currents returned and sent them blasting off. The safe slipped out of the Magikarp submarine's grasp and went back underwater. Froakie returned to Ash while carrying Skrelp on its back.
Celosia later led an operation to retrieve Xerneas so that Team Flare may use its life energy to power the ultimate weapon. Due to Team Flare lacking the manpower necessary to move Xerneas, Celosia had her Aegislash mind-control people who attempted to flee Vaniville Town when Xerneas and Yveltal battled against each other. Upon learning of this plan, X and his friends confronted Celosia, Essentia, and Malva in order to free the kidnapped people. With the assistance of Korrina, Gurkinn, and Diantha, X and his friends succeeded in freeing the people kidnapped from Vaniville Town, but were unable to prevent Xerneas from successfully being taken to Team Flare's headquarters.
Later, Malva reveals that Yveltal went into its dormant cocoon form under the ground beneath Xerneas's tree form. By traveling under the ground during her battle against Diantha, Malva found and captured Yveltal.
Name origin
Muraille is French for a large wall that are generally used as fortification to protect a settlement.