Training

Combat:

• [Wildat trained him in boxing] (http://imgur.com/a/JSAi1) (Robin #31 & 52 #23)

• [A flashback shows him training on how to properly kick as he brings down a tree] (http://imgur.com/LgTpmbj) (Gotham Knights #1 - Batman Black and White Backup Tale)

• [He trained his stamina and ability as a brawler in a gauntlet where he fought in a pit for 26 hours, with a new opponent being added very hour] (http://imgur.com/a/hiib1) (Batman v2 #23 - Backup Tale)

• [ Learned kung-fu from old grand master Chu Chin Li. Batman was his favorite student] (http://imgur.com/a/AzYqt) (Detective Comics #599)

• [Tsunemoto, the best Yakuza assassin teaches him how to predict his opponents moves and a special healing technique. He describes Bruce as his best student] (http://imgur.com/a/yf8ld) (Detective Comics #599)

• [Receives training under Kirigi for a year, an old martial arts master. He mentions that Bruce has a natural aptitude for martial arts] (http://imgur.com/a/JMCPC) (Secret Origins of the World's Greatest Super Heroes)

• [Learning the ways of Taoism from Shao-La, to focus and clear his mind] (http://imgur.com/a/txY2W) (Legends of the Dark Knight #52 & 53)

• [Learning the secret arts of Taoism from H'sein-Tan] (http://imgur.com/a/VEzfG) (Legends of the Dark Knight #52 & 53)

• [He trains for 9 months under Shihan Matsusa and masters Tummo, giving him the ability to control his body temperature to the point he melts all the snow and ice around him in seconds] (http://imgur.com/nxDyhMs) (Detective Comics v2 #0)

• [Training under Richard Dragon] (http://imgur.com/a/0cJhh) (Richard Dragon #7)

• [Batman trained under David Cain, as shown in flashbacks when he fights Cassandra Cain for the first time] (http://imgur.com/a/4Qhvk) (Detective Comics #734) deduction

• [He trains with Lady Shiva after his back was broken] (http://imgur.com/a/EN7ri) (Batman #509)

• [Green Arrow trained him to use a bow] (http://imgur.com/a/WAhpL) (Green Arrow v2 #134)

Detective Work:

• [He was mentored by Harry Harvey and by the time he was 17 was a better detective] (http://imgur.com/a/E1xsx) (Detective Comics Annual #2)

• [Trained by Dan Mallory] (http://imgur.com/a/XDDvd) (Batman Chronicles #6)

• [Trained under Henri Duncard, the world's greatest manhunter. He taught him tracking and how to think like a criminal] (http://imgur.com/a/9vj7u) (http://imgur.com/a/S5H3A) (Detective Comics #600)

Intelligence/Knowledge:

• [A young Bruce Wayne learned to speed read, lip read, and developed total recall. He used these skills to streamline his college education] (http://imgur.com/p6RpNsI) (Shadow of the Bat #0)

• [Bruce underwent F.B.I. training scored perfectly on every test except gun handling] (http://imgur.com/a/V29JI) (Shadow of the Bat #0 & Secret Files of the World's Greatest Super Heroes)

• [He was trained in gadgeteering by an eccentric Russian Engineer] (http://imgur.com/8jBHbrh) [In his final test from Sergei, he is placed inside the Sphinx with some gear he made earlier that has been broken] (http://imgur.com/a/TMLOq) [He redevelops the gear into gloves capable of digging through solid rock] (http://imgur.com/a/zo1q2) (Batman v2 #22 - Backup Tale)

• [While in Bhutan during his training years, he spent 3 months studying with the 10 Eyed Men learning how to kill demons] (http://imgur.com/01vrZP4) (Superman #710) training

• [During his training he underwent the Thogal Ritual which is an advanced type of meditation designed to simulate death and rebirth] (http://imgur.com/gTFiTKk) (Batman and Frankenstein #31)