Swearing clemency by a solemn oath on his cardinal’s hat, Cardinal Robert persuaded the men of Cesena to lay down their arms, and won their confidence by asking for fifty hostages and immediately releasing them as evidence of good will. Then summoning his mercenaries, including Hawkwood, from a nearby town, he ordered a general massacre “to exercise justice.” Meeting some demurral, he insisted, crying, “Sangue et sangue!” (Blood and more blood!), which was what he meant by justice.

