This quest is given by either Shen Rai at 8.5, -68.6, -1300 or Zhao Wu in the Ashen Order camp after you obtain ally with the Ashen Order or Ashen Disciples. It is the access quest for the Cave of Knowledge, which is found in the caves underneath the Ashen Order camp (swim in water to get to them).
Once inside you will need to clear some level 60 ^^^ mobs and reach Kufu in a tent there. Once your there investiage the scroll on the table next to him. After this return to Shen Rai for your choice of rewards.
The Cave of Knowledge is a repeatable instance with a 20 hour lockout timer.
I have met a monk of the Ashen Order named Zhao Wu. He expressed his concern about the Disciples. He is worried that a split in the Order is imminent and has asked me to find Kufu, The Keeper of Knowledge, within the Cave of Knowledge. Once I find Kufu I must convince him to return to Zhao.
I must find Kufu within The Cave of Knowledge and ask him to return to Zhao Wu.
I need to find and speak with Kufu, The Keeper of Knowledge.
I have spoken with Kufu.
I have spoken with Kufu and he has agreed to go to Zhao Wu.
I must speak with Zhao Wu and let him know Kufu will soon be returning to T'Narev.
I need to return to Zhao Wu in the Pillars of Flame.
I have spoken with Zhao.
I have let Zhao know that Kufu is on his way.
I have convinced Kufu to go to Zhao Wu. I told Zhao and he was very pleased.