Humility Gu

Fairy Ming Hao says she casually created a killer move that uses humility Gu as the core, called humble reciprocation. The move uses information recorded on Book Mountain to deduce and unleash the killer moves opponents use. ^{ch. 2159} Lu Wei Yin later groups her possession of humility Gu and pride Gu with the Carefree Wisdom Heart Physique and the description in The Legends of Ren Zu. ^{ch. 2160}

In the Book Mountain legend stretch, when pride Gu occupies Ren Zu’s mind and refuses to leave, Great Strength True Martial gives humility Gu to Ren Zu. Pride Gu is chased away by humility Gu, flies out of Ren Zu’s mind, and lands on Great Strength True Martial instead. After Ren Zu gains humility Gu, the more knowledge he has the more he finds he is lacking, and he wants to fill his mind with even more. Humility Gu makes him feel he is still lacking knowledge even when his mind is bloated and hurting. ^{ch. 2161}

Later in that telling, when hope Gu awakens an aperture for Ren Zu, Humility Gu laughs and helps as well, saying that with humility his capacity will be larger and he will be able to hold more things. The aperture expands in size. ^{ch. 2176}