<Ul> <Li> Ra's al Ghul - First appearing in Batman #232 (June 1971), Ra's al Ghul ("Demon's Head" in Arabic), is a centuries - old world - wide eco-terrorist . He knows Batman's secret identity . He utilizes special pits known as Lazarus Pits which enable him to evade death, and live for centuries . He is the founder of The League of Assassins, though exactly when is unknown . </Li> <Li> Batman - Batman's secret identity is Bruce Wayne, an American billionaire, playboy, philanthropist, and owner of Wayne Enterprises . After witnessing the murder of his parents as a child, he swore revenge on criminals, an oath tempered by a sense of justice . Wayne trains himself both physically and intellectually and crafts a bat - inspired persona to fight crime . </Li> <Li> Talia al Ghul - First appearing in Detective Comics #411 (May 1971), she's the daughter of Ra's al Ghul and the half - sister of Nyssa Raatko . Her father encouraged a relationship between Talia and Batman, desiring for Batman to marry his daughter in hopes of recruiting him as his successor . Talia admires Batman in his drive, determination, and nobility, but was always torn between him and the love for her terrorist father . Unlike Catwoman, Talia is more than willing to play second - fiddle to Bruce's mission . He is the father of her son Damian . </Li> <Li> Nyssa Raatko - First appearing in Detective Comics #783 (August 2003), she's the daughter of Ra's al Ghul, born in Saint Petersburg in 1775, and a Holocaust survivor . She eventually broke off from her father and his crusade, which resulted in a rift between them . She had in her possession a Lazarus Pit that could be reused over and over again . She was responsible for brainwashing her half - sister Talia into despising not only Batman, but their father as well, whom she ended up killing with a sword . It appears, however, that Nyssa was killed in a car bombing in Northern Africa, presumably by the League of Assassins . </Li> <Li> Ebeneezer Darrk (Also known as Doctor or Professor Darrk) - He is the first known individual assigned to head the League of Assassins by Ra's al Ghul . Although many of the League's leaders over the years have been accomplished martial artists, Daark himself did not depend on physical prowess, and as an assassin he instead relied upon careful planning and manipulation, ambushes and death traps, as well as a variety of cleverly concealed weapons and poisons . After earning Ra's enmity (for reasons unknown), Darrk died during a plot to kidnap Talia which was foiled by Batman . </Li> <Li> The Sensei - First appearing in Strange Adventures #215 (October / November 1968) as an aged martial arts master from Hong Kong, he was Darrk's second in command . He was put in charge of the League after Darrk's death . However, he would prove just as disloyal as his predecessor, and the Sensei would eventually struggle with Ra's al Ghul for the control of the organization . One of his personal goals is to raise assassination to an art form . He is revealed to be Ra's al Ghul's father in Batman #671 (January 2008). </Li> <Li> Doctor Moon - First appearing in Batman #240 (March 1972), he is a brain surgeon with skills that make him the person to contact to recover dead brains, erase or modify minds, or mental torture . </Li> <Li> Lady Shiva (Sandra Wu - San) - First appearing in Richard Dragon, Kung Fu Fighter #5 (December 1975), she's a mercenary assassin who once trained with Bruce Wayne and is possibly the greatest martial artist alive in the DC Universe; one of Batman's true physical rivals . She is also the biological mother of Cassandra Cain . </Li> <Li> David Cain - First appearing in Batman #567 (July 1999), he is the biological father of Cassandra Cain and the adoptive father of Mad Dog III . </Li> <Li> Cassandra Cain (brainwashed at the time) - First appearing in Batman #567 (1999), she is the daughter of David Cain and Lady Shiva, and was previously known as Batgirl . </Li> <Li> Deathstroke (Slade Wilson) - First appearing in New Teen Titans #2 (December 1980), he was a member of the League of Assassins, recruited by Talia to kill Richard Grayson (Nightwing) for' corrupting her son, Damian, to the good guys . Wilson and Grayson have a long - standing animosity due to years of fighting and Grayson's redemption of Wilson's children . </Li> <Li> Sara Lance - was found by Nyssa al Ghul (Katrina Law) who took her to Nanda Parbat . She and Nyssa became lovers, and Sara became a deadly fighter with the League of Assassins under the name Ta - er al - Sahfer, which means "Yellow Bird" or "Canary". (Arrowverse Only) </Li> <Li> The Seven Men of Death - The seven deadliest assassins of the League and Ra's al Ghul's personal hit squad . They answer only to the Demon himself and the Sensei . Its current members include: <Ul> <Li> Detonator - Member of the Seven Men of Death . He specializes in demolitions . </Li> <Li> Hook - The hook - handed member of the Seven Men of Death . He was responsible for murdering Boston Brand during a circus act . </Li> <Li> Maduvu - Member of the Seven Men of Death . He has mechanical clawed - hands . </Li> <Li> Merlyn - An archer who was once a member of the Seven Men of Death . </Li> <Li> Razorburn - Member of the Seven Men of Death . He has advanced hand - to - hand combat abilities, great throwing abilities, and wields two knives for weapons . </Li> <Li> Shellcase - Member of the Seven Men of Death . He has advanced hand - to - hand combat abilities and has good marksmanship . </Li> <Li> Whip - A female whip - wielding member of the Seven Men of Death . </Li> </Ul> </Li> </Ul> <Li> Ra's al Ghul - First appearing in Batman #232 (June 1971), Ra's al Ghul ("Demon's Head" in Arabic), is a centuries - old world - wide eco-terrorist . He knows Batman's secret identity . He utilizes special pits known as Lazarus Pits which enable him to evade death, and live for centuries . He is the founder of The League of Assassins, though exactly when is unknown . </Li> <Li> Batman - Batman's secret identity is Bruce Wayne, an American billionaire, playboy, philanthropist, and owner of Wayne Enterprises . After witnessing the murder of his parents as a child, he swore revenge on criminals, an oath tempered by a sense of justice . Wayne trains himself both physically and intellectually and crafts a bat - inspired persona to fight crime . </Li> <Li> Talia al Ghul - First appearing in Detective Comics #411 (May 1971), she's the daughter of Ra's al Ghul and the half - sister of Nyssa Raatko . Her father encouraged a relationship between Talia and Batman, desiring for Batman to marry his daughter in hopes of recruiting him as his successor . Talia admires Batman in his drive, determination, and nobility, but was always torn between him and the love for her terrorist father . Unlike Catwoman, Talia is more than willing to play second - fiddle to Bruce's mission . He is the father of her son Damian . </Li>

What is the purpose of the league of assassins