Complex sentence: 'Assassin's Creed' takes place during the year 1190 and the Third Crusade, which sees the Crusaders armies clash with Saracens for control of the Holy City.
Split into simpler sentences: 'Assassin's Creed' takes place during the year 1190. In the Third Crusade, the Crusaders armies clash with Saracens fighting over control of the Holy City.