He has a secret that only few know. He is being watched, always, unseen,unheard. This secret is on the priority of global security. If only he knew what he was truely, what his secret is.
Created in a time of need, he was cast from the pride he was made to obtain, he is a warrior, and a leader.
A once noble man, he was tossed aside and tortured. He is an empty shell of what use to be Human.
A wonderer, a warrior. He is both cursed and blessed, he is feared and loved, but always misundestood.
The player characters, experienced and somewhat well known, hear rumors and travelers' tales about a distant area being overrun by dragons (or other terrifying monstrosities). The locals have sent them a message, begging for heroic aid.
When they investigate, they discover that nothing of the sort is going on. It turns out that a group of thieves wanted them out of the way so that they could rob them (or someone who would normally receive their protection).