Chapter 1: Night Assassin[]
Task Target: Trigger 
Shadow Combo against enemy heroes a total of 30 times.
The ancestors of the Dark Elves are the noble Moon Elves, who were seduced by dark power and abandoned their own faith. Elves who had lost the blessing of the Moon God gradually became corrupted by the dark power and their skin turned ashen and devoid of light. Karina is one of the most outstanding Dark Elves who has never failed an assassination mission. She was once aided by the Calamity Reaper in battle, making her even stronger.
Chapter 2: Sisters[]
Task Target: Trigger "Shadowblade" or "Spinning Slash" through 
Dance Of Blades a total of 30 times.
As elves were corrupted deeper and deeper by the dark power, a few fanatics even sacrificed their own family to the Demons of the Dark Abyss in exchange for more power. Witnessing this, Karina was filled with anxiety and confusion. When her own beloved sister, Selena was chosen as a sacrifice, Karina couldn't take it anymore and was determined to not let the Demons harm her sister. Karina was thus determined to fight off anyone who tried to take her sister away.
Chapter 3: Backfired[]
Task Target: Win 1 match alongside 
Selena.
Beaten and bloodied, Karina saw her sister get taken away by the servants of the Dark Abyss, unable to stop them. She felt her sight blur as her sister's cries became more and more distant. She was filled with sadness and despair, but as the Dark Elves lifted up the blades to end Karina's life, they noticed that the shadow blades in her hands were radiating a dim-blue glow. Blessed once again by the Moon God, Karina unleashed her fury onto these traitors, the pain of losing her sister had given her a deeper hatred for evil.
Chapter 4: Seeking Blade[]
Task Target: Refresh 
Shadow Assault at least 3 times in 10s. Complete it 5 times.
After injured from attempting to rescue her sister, Karina started to improve herself, and swore that she would never be hurt by another demon again. Gradually, she has become more agile and could often defeat her opponent in battle without any injury to herself. She must take care of herself, as her sister awaits her rescue. No Demons can escape the retribution of her blades.