Pentos was one of the earlier Fortu which were reactivated and travelled extensively in the modern era with Kheldar.  When Kheldar took his final long walk into Dream Pentos was accompanying him and neither have been able to be contacted since.  

As a Research Fortu Pentos had a broad base of knowledge and the skills to tackle any subject, but her particular areas of interest were:  Magic Theory, Magic Schools and Magical Writings.