Complex sentence: As the war approached the end he took command of the Titans, he personally fought Char and Kamille, but was killed when Kamille used the power of all his dead comrades and impaled Scirocco on the tip of the Zeta Gundam.
Split into simpler sentences: As the war approached the end he took command of the Titans and personally fought both Char and Kamille. He was ultimately killed when Kamille used the power of all his dead comrades and impaled Scirocco on the tip of the Zeta Gundam.