Calchas

Calchas was a Seer who was bested by Mopsus in a contest over who was the more powerful.

Behind the scenes

 * Calchas was a seer featured in Homer's Iliad, famous for correctly predicting many events of the Trojan War. Upon being bested in a contest of soothsaying by Mopsus, he killed himself in shame.

Appearances

 * Harry Potter and the Philosopher's Stone (video game)
 * Harry Potter and the Chamber of Secrets (video game)