One of the most different figures of Ismailis, was introduced to the people of the world in Nizari Period, when the communities were led from the inside of unreachable castles above the mountains in Iran; a period that the tumultuous doctrine of the Resurrection was presented; which a little information about it was remained. The Mogols destroyed their castles, killed their Ismaili Imam and many of his family and massacred his followers; but their libraries were burned by the domestic enemies. In the absence of internal sources, remained scattered, one-sided and sometimes hostile narratives from outdoors and so according to these sources, the history of the Nizari Period was written. Now, a new found text, which was written in their castles, is peresented here to shed a light on the history and beliefs of Iranian Nizaries in the last decades of their life, especially on their relationships with Nimruzi Muluk. After a full introduction, the text edited by single version edition method, will be presented here with some enlightenments and additions. Here has been tried by using internal and external criticism the gained data from the text would be compared with other sources. In addition to giving some new information about the Iranian Ismailis in this period, the results, also bring up the fact that apparently the author of this text and Rauzat al-Taslim, which is attributed to Khwaja Nasir al-din Tusi, is the same and apparently that person must had been one of a residents of Damghan, Qumis or Shimiran.