The Millennium Malevolence: The Time Spanning Revenge Endanderment

In the medieval times, there was an immortal that was the perceived scourge back then. Chorlisr, a protector from the Ktaldeik (Tal-DEEK) had to defend the village against the eternal. He had to use witchcraft in order to damage him.
The immortal, Gavis, was just sitting by a fire with his eternal mate in a cottage outside the village when Chorlisr attacked them without provocation.
Chorlisr attacked, and inadvertently killer his eternal mate, Renae,. As Gavis vowed revenge, Chorlisr used witchcraft once more to destroy Gavis. He was affected, but ran into the wood to a dark wizard so he could be healed. He took a potion, but slept in a mountain range for one thousand years.
In the 24th century, Chorlisr was long since dead so Gavis had to find his descendants to wipe out Chorlisr's lineage for good. He destroyed all but one.
Adama Aruna was a history mentor, and also Chorlisr's last descendant. She became Gavis' target for his deadly malevolence, so he engaged her at a club to administer annihilation.
Adama escaped the murderous deluge, and now has to learn magick to defeat the bitter eternal with a perpetual grudge. Can she do it in time?