Complex sentence: In Peter Jackson's film version of the trilogy, the captain of the Orc-band is Lúrtz, who is slain by Aragorn at Amon Hen.Urglu'k, played by Nathaniel Lees, then took command after his senior's death.
Split into simpler sentences: In Peter Jackson's film version of the trilogy, the captain of the Orc-band is Lúrtz, who is slain by Aragorn at Amon Hen. Uglúk, played by Nathaniel Lees, then took command after his senior's death.