Abrad was the king of Yamurlak. He was known for his advanced age, horrible skin condition, anger and cruelty. He is mentioned by Geralt in a conversation with Stregobor in the short story "The Lesser Evil" in The Last Wish. The two discuss various aristocratic women, who were said to have been afflicted with the "Curse of the Black Sun". Stregobor referred to several cases where such women allegedly became bloodthirsty beasts who tortured and killed their subordinates. However Geralt saw in such trends and behavior no clear evidence that these women had mutated into monsters.
As an example, Geralt cited king Abrad: