The Eater of Souls was a mythological creature in Vulcan and Romulan cultures, the belief in which originated on Vulcan before the age of Surak and the Sundering. The Eater of Souls was said to devour the katras of those Vulcans who were out during the midday heat. The phrase "T'kal ni narak alat N'garkar ack" translates as "Midday sun, Soul Eater come". (TOS novels: Vulcan's Forge, Vulcan's Heart, Vulcan's Soul: Exodus, Exiles).