Blood Soul

Blood Soul is an item that originally hailed from YGGDRASIL.

Background
Blood Soul is an item rewarded to any player who managed to defeat the Event Boss, Cainabel.

Abilities and Powers
The one who defeats Cainabel gets an item called 'Blood Soul', allowing such player to become the successor to the top race: The One.

Trivia

 * Shalltear Bloodfallen claimed that the members of Ainz Ooal Gown defeated Cainabel, so it can be presumed that one of the guild members claimed this item.