King Baldwin IV of Jerusalem was a leper as well. During the latter stages of the disease, Baldwin had to wear a mask to cover his entire face to conceal the disfiguration that had been done, and even during that stage, and half blind, he continued to review the Crusader armies under his command. His skill at diplomacy and yearning for peace in the region was so respected by his rival, the Ayubbid sultan Salahuddin, that Salahuddin routinely sent his personal team of physicians to check up on Baldwin and redress his wounds. When Salahuddin captured the murderous rogue Crusader warlord Reynault de Chatillon along with Baldwin V, Baldwin IV's successor after the Battle of Hattin on July 4, 1187 and had both captives brought to his tent, he drew his sword and beheaded Renault on the spot for breaking the truce that the Ayubbids and Baldwin IV had worked so hard to maintain. And when Baldwin V cowered in terror, thinking he would be next to be killed, Salahuddin informed him: "A king will not kill another king. But you will never be as great as the greatest king I've ever known. Had this man (Renault) been merely a robber, I would have spared him. But he had shed the blood of both Christians and Muslims in wanton disregard of our peace and must pay for his crimes", referring to Baldwin IV as the "greatest king he had ever known".