You can use your Wraith abilities to cause your enslaved Uruk to start a fight. In this case, the dominated Ratbag will attack Orthog and fail to kill him. Nevertheless, Ratbag's assassination attempt will wound Orthog and sew chaos, giving Talion a valuable edge.
Talion's chance comes amidst the chaos as infighting begins. Using the aerial attack causes heavy area-of-effect damage.
Trivia
- Orthog is an Uruk.
- Orthog remembers Talion's actions and will react accordingly when they meet.
- As enemies in Shadow of Mordor are randomly-generated, Orthog -- or an incarnation of him -- will appear based on the outcome of previous events.