Is “At Changban Slope, he rode alone to rescue the young lord, charging into the enemy's ranks.” true?
based on fact
Records of the Three Kingdoms, Book of Shu, Biography of Zhao Yun records that he protected Lady Gan and Adou from harm at Changban Slope; the novel's account of him slaying over fifty enemy generals is fictional.
Zhao Yun
In official history, he was a Shu Han general known for his weighty responsibility, gentleness, and benevolence; in the novel, he is portrayed as an invincible warrior and the foremost spear master.