Tialana used to work as a researcher for the Academy of Lemont. She alongside, Yalanda and Califer Lyon, researched the origins of the masks of divine nature. However, an incident involving the death of one of their teammates has caused them to cancel the expedition. Due to this, she and her sister were removed from the faculty. The two sisters still associate themselves with the school but has since moved on to Lochtale. Here in Lochtale the two would open a library and continue their research in a limited space.
As a fighter, Tialana was a proctor for the Battle of Champions. She would later ally herself with the chosen adventurers after learning about their involvement with the masks that they were previously researching.
During the reveal of Ritta Moontail's death, Tialana assisted in maintaining order at the school with Califer.
Tialana would side with the The Watchers of the Midnight Eye and fight in the 2nd Demon War.