Raised in the Temple of Assassins on Nagaroth.
But after numerous names on his list of dead souls dedicated to the Temple Mandrake feelt he mised something in his life.
When the offer came he joined up with the Blades of Khaine to battle and hopefully kill some of the hated High Elves on the court instead of in the Shadows.
When the reporter had a brief conversation with Mandrake before he slit her throat his only statement was:
-Fear me Tyrion, for one fateful night your soul will be mine.