Before the Jedi can leave Mortis, the Son abducts Ahsoka and infects her with the Dark Side. While Anakin faces his Padawan, the Daughter reveals to Obi-Wan the only weapon that can defeat her brother: the Dagger of Mortis.
Did You Know?
In a interview Ashley Eckstein who voices Ahsoka Tano said that voicing her while she was part of Dark Side was fun for her. See more
Anakin... always on the move.