Abaddon

Trivia

 * In the Bible, Abaddon is the name of an angel, who will rise from the Abyss and command an army of locusts. His name means "the Destroyer" in Hebrew.
 * Abaddon's title, Lord of Avernus, is a reference to the famous crater in Italy, which is believed to be the entrance to the underworld.
 * Frost Sword was called Frostmourne in DotA, this was changed due to copyright reasons.