How Old Is Shalltear Bloodfallen

In the dark, captivating world of Overlord, where supreme beings rule and guardians protect, few characters spark as much curiosity and fear as Shalltear Bloodfallen. A creature of immense power and complex design, the question "how old is Shalltear Bloodfallen?" isn't as simple as counting years. She isn't born in the traditional sense, but rather brought into existence as a sophisticated NPC within the virtual world of Yggdrasil, later transported to the New World....