Bane is very strong, but lacks IQ. Unfortunately, he starts off invincible to your attacks. Stand back and wait for him to charge. Dodge, and he will be off balance. Then, beat him up. He will do the same, except now you have to make him run into a wall, hitting him. Unfortunately, this causes rocks to fall from the ceiling. Dodge them. Also, he will start using some kind of earthquake attack -- stay back if he is not advancing on you. After you beat him up, he will heal. Repeat the previous steps.
Bane starts off invincible to any attack. Avoid him until he rams you. Dodge him to put him off balance, then strike. Afterwards, you must make him ram into a wall. After beating him up, he will stomp to make strange boulders fall from the ceiling. After those attacks are dodged, repeat. After you knock out his health, he returns stronger. Repeat the previous steps to defeat him.