In the Jotunheim world, the Mount is disfigured when it is called for the first time until you save and restart the game. Occasionally the mount will become disfigured again, saving and restarting fixes it again.

Fighting Fenrir for the second time, after he throws rocks he gets stuck in a endless digging animation and never attacks. After getting too close to a wall, he moved to the upper platform and is stuck digging in the corner.

In the Jotunheim world, the Mount is disfigured when it is called for the first time until you save and restart the game. Occasionally the mount will become disfigured again, saving and restarting fixes it again.