In March 2021, it was described that 3 more Game of Thrones spinoffs have been in enhancement at HBO they include 10,000 Ships, a reference to the voyages built by warrior queen Princess Nymeria who later on established Dorne, 9 Voyages, about the voyages of Corlys Velaryon on the Sea Snake, and a task dependent on Flea Bottom, the poorest slum in King's Landing.