I hope for no ancient secrets from you, whatever they may be.

Of the three books and the ancient secret contained within their pages.

But more important, they are known as the guardians of an ancient secret.

All their ruined villages to the north hold an ancient secret.

They rule them by the smiling terror of an ancient secret.

It is an ancient secret that a few people rediscover each century.

Thanks to his father's legacy he stumbles upon an ancient secret.

They brought with them, it is said, knowledge of an ancient secret.

A place where ancient secrets rose to the surface.

That the Trilogy was believed to contain an ancient secret, then again, yes.