Ezra witnesses Ahsoka duel Vader on Malachor. 

Ezra saves Ahsoka, pulling her into The World Between Worlds. 

Ezra begins to hope he can save Kanan through The Worlds Portals. 

Ezra stops himself from saving Kanan. 

Emperor Palpatine uses the grief and fear of Ezra to open a door to The World Between Worlds. 

Ezra and Ahsoka leave The World Between Worlds, closing it off from Emperor Palpatine.