Zhu Xian's Dream Poems and Yang He's Poems

The three books that Qi Tan gave you are gobbledygook.

Linjiang Xian looks for Skywalker or Xuanyuan, the founder of Qingyun Sect.

If you dream, find a dream-teller in Heyang or a dream-teller wandering in Heyang City (I can't remember the specific name, it seems to be this or a sleepwalker).

Fairy looking for Tian Fei fairy in Heyang.