The Tarasque

Tahkisis used the Ankatavanka Party to gain access to Eborium and sending the Tarasque in disguise as Nuitari to kill Sargonas and Destroy his realm so he could not be reborn.

Chomsky kills a Tarasque sent to destroy the Ancient Civilization known as Witstone.  As a result, the Whitestone family is not wiped from existence in 1982 BC