Defeats Ra's Al Ghul in a sword fight who is a master swordsman with over a thousand years of experience.
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Blocks a surprised attack with his Batarang.
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Fighting techniques and disciplines:
Learns kung-fu from old grand master Chu Chin Li deeming Bruce as his favorite student.
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Tsunemoto (the most deadly martial arts assassin of the Yakuza) teaches him how to anticipate his opponents moves against various enemies plus the secret of spiritual healing techniques. Later on, Tsunemoto comments Bruce was his best student.
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Receives training under Kirigi for a year, an old martial arts master that very few people in the world have had the privilege to study with. Kirigi comments that Bruce has a natural genius for mastering combat techniques due to the great violent nature inside him.
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Training under Richard Dragon known as the world's best martial artist.
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Wildcat (former heavy weight boxing champion, and one of DCU’s top fighters) revealing to Huntress that he taught Batman to box.
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Learning the ways of Taoism from Shao-La mostly on how to keep a clear mind.
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Learning the secret arts of Taoism from H'sein-Tan.
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After his back is broken, he seeks out training from Lady Shiva to regain his physical prowlness and mastery of martial arts. Shiva is regarded by many as the world's deadliest martial arts assassin who Batman considers to be one of the very few martial artists in the world that is his equal if not slightly better.
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We see Batman having a flashback of his training with David Cain as he's sparring with Cain's daughter Cassandra Cain (Batgirl) who's one of the best martial artists alive. David Cain taught Batman martial arts, weapon mastery, and fighting tactics. He's known by many as being one of the best assassins in the world also having invented a unique fighting style that involves the reading of body language. Here we see Batman defeat Cassandra in the sparring contest by using a modified deadly nerve strike (that was taught by Cain) to paralyze her. Being that violence is Cassandra's main form of communication (plus she was unable to talk at the time), it was the only way he could "speak" with her since she can read body language which enables her to anticipate attacks before her opponents make them.
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Training Robin, he poses as a villain who uses various Indian martial arts styles.
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In Batman # 673, it details that Batman received training with tribes of the TEN-eyed Brotherhood in North Africa, for six months and Two years with ninja shadow masters.
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Uses Dim Mak techniques to get a psycho to talk.
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He is able to disrupt Lois Lane's short term memory's transfer with a nerve pinch.
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Turns the fight in his favor by utilizing very effective pressure points.
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Easily defeats Green Arrow with a nerve pinch disabling his arm then re-enabling it to move again with a touch.
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Knocks out thug with mere touches of his finger.
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Takes down a bouncer with a 2 finger touch.
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Defeats highly skilled ninja with the lethal vibrating palm technique modified to knock the ninja out instead of killing him.
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Tracking down a killer who used the chest penetration technique that makes a mark on the victim's chest look like they were killed by an axe. Only 4 people in the world know how to use this move with Batman revealing to being one of the 4.
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Using the two most deadly nerve strikes in all martial arts against a magically invulnerable opponent (the strikes have no effect on the guy due to his magical invulnerability).
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Battles of the Dark Knight:
Takes down a few thugs with ease.
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Easily defeats Pegan.
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Defeats a group of trained killers, armed with swords.
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Easily defeats a group of arm men with Lady Shiva.
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