Age: Unknown (Referred to as a "child", so presumably ~13)
Favorite Activity: Unknown
Pet Peeve: His past
Lass’ mind and body was freed from Kaze'aze's possession after the Grand Chase vanquished Kaze'aze's evil from the world. Although he wasn’t in control of his actions, Lass still felt guilty when he realized that his body was used as Kaze'aze's vessel to devastate the continent and kill countless innocents. The members of the Grand Chase understood that Lass was determined to right his wrongs, allowed him to join them on their journey to restore peace to the continent.
(Source: Grand Chase Wikia)