Imperial War Horse

"When the Empire of Cyrodiil was at its height, the Imperial Legion Cavalry rode these chalk-white chargers into battle beneath the red diamond banner. Riding Skill does not affect this mount's appearance."

- In-game description

The Imperial War Horse is a horse mount in. It could only be obtained from Mysterious Reward Boxes earned during the 10 Million Stories dungeon event that lasted from between November 30th to December 6th.