Vivian Widow

Widow Vivian is the main antagonist of Duel Masters: Cobalt and is the one who released the legendary Kaijudo creatures sealed away. She specializes in Darkness Civilization and is Rebecca's aunt.

Description
Widow is an attractive woman assumingly in her 30s, wearing mostly black clothing. Her appearance is rather vampiric in color, having pale gray skin and red eyes, the top of her hair is a gray-ish blue with the rest being black.

Personality
When mostly around Rebecca, she hides her deceptive side by showing a more innocent and thoughtful persona. Deep down, she mostly cares for power and power alone.

Trivia

 * She bears a very strong resemblance to Liliana Vessfrom Magic: The Gathering.