Complex sentence: Once there, they were trained by other slave dancers to perform even more seductive dances and four months later, Oola and Sienn were deemed ready and were shipped to Tatooine by Fortuna's assistant Jerris Rudd.
Split into simpler sentences: Once there, they were trained by other slave dancers to perform even more seductive dances. Four months later, Oola and Sienn were deemed ready and were shipped to Tatooine by Fortuna's assistant Jerris Rudd.