Complex sentence: He gives chase to Marco Sciarra, an assassin who survived the attack and in the ensuing struggle he kills Sciarra and steals his ring, which is emblazoned with a stylised octopus.
Split into simpler sentences: He gives chase to Marco Sciarra, an assassin who survived the attack. In the ensuing struggle, Bond kills Sciarra and steals his ring, which is emblazoned with a stylised octopus.