Now I am thinking of just making my character someone that has trained in a secluded monastery, almost unknown to the islands (Although they are not unreachable). As a young man, he wondered off from the monastery and found himself in front of a regiment of the King fighting off a rock golem. He would have helped them, demonstrating his fist capable of shattering stone and his incredible speed. Impressed, the soldiers would have asked to come back with them, which he would have accepted, because he was told the best way to learn was to wander the world and feel the environments, adjust to them.

Since then, he was raised as a soldier, although he knew he was a different kind as he knew how to parry blades with his arms and shatter armor with a single kick. Out of curiosity, i am sure the King would have loved to know how it was done. Since then, my character would have befriended the king and grown up with him.

Now, he would be his spirtual guide and one of the few people capable of keeping the King ''Sane''. (Probably saying that my character would be the most stable minded person he has seen.)

If you don't like it, I am willing to keep looking for one that would work.