Fathom: Killian's Tide #4

Sear has decided to help the council stop his brother Killian and the rest of the Dissidents before they do something that cannot be undone. Sear convinced Anya, Killian's girlfriend, to find out the plan for the next Dissident mission. That next mission is an air raid to the facility that bombed their underwater city of Marielle. Imagine Killian's surprise when he finds them waiting for him...