Aphra and Sana hurtle toward a showdown that will change everything! The Spark Eternal corrupts everything it touches, and Doctor Aphra is no exception! Trapped inside her own tainted mind, Aphra's only hope for escape lies in her own memories - but can she find a way out before the Spark consumes her completely? And as Sana Starros comes face-to-face with an ancient, malevolent presence, she will have to make a choice - and quickly. Can she save Aphra? Can she even save herself? Everyone involved is hiding deadly secrets, and the Spark has plans of its own! As its power grows, so does its hunger. But what is the truth behind its origin? Collecting STAR WARS- DOCTOR APHRA (2020) #21-25.