system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] How many years did it take Bruce to become Batman?
gpt
Batman was born that night in Crime Alley... but if we don't want to be pretentious about it

But apparently his time training abroad took something like six to twelve years, during which time he explored a lot of the United States and spent time in central Europe, Brazil, and eastern Asia before finishing his education in Alaska.