He wrote in his chronicle Fire Upon the Grass that Dhako took great pride in being known as the Dragon of the North, but came to rue it when his khalasar was defeated in battle by that of Khal Temmo, who took the elder Dhako captive and fed him to the flames after cutting off his hands, feet, and genitals, and roasting them before his eyes, after first burning his wives and sons in the same manner. The Braavosi adventurer Terrio Erastes was a guest of Khal Dhako when Ibbish was destroyed. Thereafter he was known as the Dragon of the North.
In his wroth, Dhako burned not only the abandoned city, but also much of the surrounding countryside. A dragon indeed this creature boasted a wingspan measuring over 10 meters (32. Dhako put the city to the torch and named it Vaes Aresak, or City of Cowards. The authors of the new study chose the name Cryodrakon boreas, which means cold dragon of the north winds. When Dhako approached the city of Ibbish to sack it, its inhabitants took to their ships and fled to Ib. Dhako, also known as the Dragon of the North, was a Dothraki khal who lived during the Century of Blood.