Avatar: Fire & Ash ending explainedThe Sullys deal with a crisis of faith after The Way of Water. The Sully clan is more united than ever at the end of Fire & Ash. Neytiri agrees to watch after Ronal’s baby, making the Sully clan that much bigger. How Avatar 3 sets up Avatar 4Varang would most likely return in Avatar 4. While the human Quaritch disparaged Jake Sully for “going native” in the first Avatar, he has to eat his words in Fire & Ash.