Sacrifice is the fourth cinematic trailer released by BioWare for the video game Star Wars: The Old Republic, and serves as a reveal trailer for the Knights of the Fallen Empire expansion. The video depicts the story of Arcann and Thexan, twin heirs of Valkorion, Emperor of the Eternal Empire.

The video can be watched on YouTube at the following link:

https://www.youtube.com/watch?v=Nzq9epS2b1A