Ave Satani is the tenth episode and series finale Damien. It originally aired on May 9th, 2016 on A&E.
Rutledge and Lyons target those around Damien. Damien makes the ultimate sacrifice.
Damien- Inside the Episode- Ave Satani (S1, E10) - A&E
Damien- A Shared Grave (S1, E10) - A&E