Who is Ravyn Aniketos from Midnight Predator and what is their importance?

Ravyn Aniketos is a member of Crimson. She fights Turquoise in the Challenge to become the leader of Crimson, but a rematch is scheduled when their battle ends in a tie. In the end, Ravyn loses the Challenge, but Turquoise relinquishes the title of Crimson's leader to Ravyn because she no longer wants to be a hunter