ISLAMABAD - The Game of Thrones universe is being fleshed out even further on HBO, with the network moving forward on one of its three new spin-offs, 10,000 Ships.The network has brought on Amanda Segel (Helstrom, Person of Interest) to write the script for the project, according to the report. 10,000 Ships was one of three new Thrones spin-offs announced back in March, along with 9 Voyages (a.k.a. Sea Snake) and Flea Bottom. 10,000 Ships will take place approximately 1,000 years before the events depicted in the Game of Thrones TV series, based on the A Song of Ice and Fire novels by George R.R. Martin.The new series will follow the journey made by Princess Nymeria, along with the other surviving members of the Rhoynars.The show will chronicle their journey from Essos to Dorne, after they were defeated by the Valyrian Freehold during the Second Spice War. 

Princess Nymeria was a character admired by many in Westeros and Essos, who was named after two characters in the books and the series.