The official site describes War-steeds as follows: In The Lord of the Rings Online: Riders of Rohan, the War-steed is your personal combat mount. It gains experience, levels up, and can be equipped with a Legendary Bridle—bringing the Legendary Item equip total to three during mounted combat. The War-steed can be trained and specialized in a variety of ways; earning specific trait points will allow you to improve their attributes,acquire new skills, and improve your own mounted combat skills.