Obvyal:
He was studying how to weild elemental powers and how to greatly boost their power. Unfortunately, the entire library where he and some of his colleges were doing their studies was scorched to the ground, and he was blamed for it...
He spent years in a highly guarded prison, and eventually escaped, but stronger and more dangerous. He grew into a tall, hardened wolf by the time he was able to take a supply ship out of the prison island. He's been hunting down clues to who could of destroyed the institute, and had him framed...