He was born into humble circumstances. When he was a child, for some reason, most of the adults around him looked down on him. He was determined and unyielding, though he often put himself down, and was therefore all the more unwilling to accept defeat.
The world was never meant to have enemies. If you treat others as enemies, you lower yourself to their level. You are the one who has truly become attached to appearances.
This story begins after he has become a True Immortal. But does becoming a True Immortal make him invincible? Of course not. Even on the path to becoming a powerhouse, he has only just taken the first of countless steps.