A Gray's Path (2018)

Two mystical heroes journey through a remote forest moon investigating a crash site. They discover a smuggler on the run and chase him down quickly. When The leader of the two man crew orders his companion to kill the smuggler, he refuses and the pair duel with energy blades. They are somewhat matched, but the leader overtakes his friend and nearly kills him. The smuggler rushes to the aid of the weaker hero. After a duel the leader is finally subdued. When he refuses to surrender, his companion has no choice but to kill him.