Cassandra Cain (Titans Tomorrow)

" You definitely weren't there the day Cassandra Cain, the greatest fighter of the modern age, died seeking answers she couldn't find in Gotham.                                                                                                        -- The General"

History
In a possible future, Cassandra Cain was reportedly murdered by Joker's Daughter and buried in Arkham Asylum.

Titans Tomorrow
Following changes in the timeline, Cassandra returned to life. As Batwoman, she was recruited into the Titans Army, a group of superheroes assembled by Batman to prevent the Teen Titans from changing their future.

Death
Returning to her timeline, Cassandra left Gotham City on a quest that ended with her losing a duel to the death to Ra's al Ghul.

Abilities

 * Hand-to-Hand Combat (Advanced)
 * Swordsmanship
 * Throwing

Equipment

 * Batsuit
 * Utility Belt

Weapons

 * Batarangs