周芷若;Zhōu Zhǐruò) is one of the two female lead characters in the wuxia novel The Heaven Sword and Dragon Saber by Jin Yong. Jin Yong describes Zhou Zhiruo's physical appearance as "beautiful,pure and free of worldly traits". [1]
Zhou Zhiruo is the daughter of a boatman from the Han River. Her name "Zhiruo" is derived from her birthplace,Zhijiang. Her mother died when she was very young. When she was 10,her father was killed by Yuan soldiers but she was saved by Zhang Sanfeng. She meets the young Zhang Wuji,who was travelling with Zhang Sanfeng,and they develop a friendship. Zhang Wuji leaves them later and follows Chang Yuchun to Butterfly Valley to seek treatment from Hu Qingniu. Zhang Sanfeng brings Zhou Zhiruo back to Wudang and recommends her to join the Emei School. She becomes an apprentice of Abbess Miejue,the leader of Emei.
Zhou Zhiruo meets Zhang Wuji several years later and falls in love with him. However,Miejue hates Zhang Wuji because of his affiliation with the "evil" Ming Cult. She forces Zhou Zhiruo to swear that she must not marry Zhang Wuji or have any romantic feelings for him. The oath is as follows: