Easy: How many rounds can a fully loaded M6D PDWS, otherwise known as the Halo 1 Magnum, hold? Normal: What is the Cole Protocol? Heroic: Which group was responsible for developing the Mark I-III exoskeletons and the MJOLNIR armour? Legendary: What was The Lord of Admiral's name and within whose mind did he reawaken in 9000 years after his composition and physical death?