One's "Personal Legend" could best be described as:

one's dream.

the road to fulfillment.

true happiness.

All of the above

None of the above.

None of the above

Explanation:

According to the book, the Personal Legend is the means by which a person can regard life as fulfilling. It is the sort of thing that an old man talks about while sitting in his favorite rocking chair on the porch, reflecting on how things were 'back when I was a young man'. For Santiago, it is the force that takes him from being a shepherd boy in Andalusia to being a capable alchemist by the end of the book.