the red hare was mentioned in lü bu's biographies in the historical texts "records of the three kingdoms" and "book of the later han". it was described as very powerful, and capable of "galloping across cities and leaping over moats". lü bu rode this horse in 193 during a battle in changshan (; around present-day shijiazhuang, hebei), in which he helped another warlord yuan shao defeat his rival zhang yan.