Daval Prestor Daval Prestor was a young human diplomat and noble that joined the high council of the Alliance during the Second War . No one had heard of him prior to five years before " Day of the Dragon " . It is said that he originally hailed from Alterac or " the most mountainous , most obscure region of Lordaeron " and could claim bloodlines in the royal house of Alterac . He was a distant cousin to Aliden Perenolde . Prestor was a minor noble , dispossessed and without backing , who came from the north . Prestor was a tall , slim figure with black hair and hawklike features that were the subject of gossip among the ladies of Terenas ' court . He also had a quick mind and a friendly , engaging manner that endeared him to all involved in the Alterac crisis . It was said that he even got a smile out of Genn Greymane , the normally dour king of Gilneas . He and a handful of his close family traveled by foot — no mounts , not even any servants or guards — to the Capital City of Lordaeron , where he presented himself to King Terenas . Prestor soon became an integral part of Terenas ' inner circle . When debating on what to do with Lord Aiden Perenolde , the treacherous king of Alterac , Prestor advised Terenas to depose Lord Perenolde and declare martial law in the Alterac region . Greymane , Thoras Trollbane of Stromgarde , and Daelin Proudmoore of Kul Tiras debated what should be done with Alterac and protested Lordaeron ' s continued presence there . Greymane supported Perenolde ' s nephew in his claim for the throne of Alterac . Trollbane advocated dividing it between Lordaeron and Stromgarde . Realizing that neither situation was acceptable , and that Lordaeron could not simply annex it , Terenas — telepathically coerced by Prestor — believed that a strong leader trusted by the Alliance leadership should be put in place as King of Alterac , and he declared Lord Prestor as his choice to take that position . Terenas was even prepared to give Prestor the hand of his daughter , Princess Calia , in coming years as part of a marriage alliance between the new king of Alterac and the king of Lordaeron . The Kirin Tor of Dalaran had their misgivings , however . The red dragon Korialstrasz — in his guise as Krasus , a member of the Kirin Tor high council — attempted to penetrate the chateau of Lord Prestor , setting off a very powerful spell - trap known as the Endless Hunger . The powerful energies maimed him , but Krasus was able to discover who he truly was . Two other members of the high council , Drenden and Modera , saw that Prestor was a complete blank magically , implying that he possessed great power — " possibly almost as powerful as Medivh " , as Modera put it . The fact that the Alliance leaders , including the normally stubborn Greymane , had given Prestor their support , and the fact that King Terenas appeared to be leaving Dalaran out of the loop entirely , increased the Kirin Tor ' s suspicions about this unusual man . Shortly after the battle of Grim Batol , Lord Prestor disappeared under unusual circumstances , his chateau abandoned , his servants gone . Rumors indicate he may not have been who he claimed , and that the nobles of Lordaeron may have even been under his control for a time . True identity . Daval Prestor was the human form taken by the Dragon Aspect Deathwing , seeking to manipulate the Alliance so he could destroy it from within . He had spent a lifetime disguised as the human noble , infiltrating the royal courts of Lordaeron , and consolidating power in order to avenge himself upon the other dragon Aspects . After Grim Batol — when the Aspects ' lost powers were restored after the destruction of the Demon Soul — Deathwing went into hiding , thus precipitating " Lord Prestor ' s " mysterious disappearance . His true identity is known only to Krasus and Rhonin , though only Krasus knew the name that Deathwing had taken while in his human form . Katrana Prestor ' s relation to Daval Prestor is unclear . No version of Katrana ' s cover story has given exact details of how the persona is related to Daval Prestor , though it ' s speculated that she is Daval ' s daughter ( since " Katrana Prestor " is the human disguise of Onyxia , the daughter of Deathwing ) . While Prestor ' s backstory connects him as Aiden Perenolde ' s distant cousin , this link was a ruse to give the persona some clout . Trivia . When Daval Prestor did a full teeth smile it is said that he had an impossible number of teeth . Speculation . Northern Lordaeron could be the location of Lord Prestor ' s land , although some sources say he came from Alterac or just " a domain in the north " . Alternatively , he could have made the story up and arrived from anywhere . " Day of the Dragon " does speak of " northern vassals " during the time of Terenas ' s grandfather in regards to the successful negotiations about the borders with the elves of Quel ' Thalas . Daval Prestor II , a second " Lord Prestor " , appeared in the " World of Warcraft " Beta , but was then replaced with Lady Katrana Prestor . It is unlikely that the second Prestor is a part of lore .