The greatest failure of the Arch Mage Calypso is his one legacy sought by Emporers, Dragons, and Gods.
This is a wretched tome of oceanic blasphemy; a foul water-stained, bone-white binder of bitter dead-men’s secrets and a guide to Nautical Necromancy useful in the hands of the young sea-faring necromancer or the Great Lich Umeen herself.
A vast tome of knowlege that literally gives you the creeps…
A standard book of evil.
An (un)holy book written in ink created from a Shard of the Storm.
It is a personal journal tucked away in an library. It appears as an ordinary journal or diary from the outside and inside. In the spine or binding there is always a tiny strip of metal that other components and symbols are attached. Yet there is more, if you read carefully.
Exerpt from the Introduction:
I know the ultimate weapon. Humans commit folly after folly because they are afraid. Fear was once Humankind’s most powerful ally, giving enormous potency to the instinct for suvival. Now, fear has become Humankind’s greatest enemy, and such is the obtusemenss of my species that is members do not realize it is the most powerful element of Human existance.
“It is your move.”
It appears to be a very nice holy book of the dominant good faith, the kind that his passed down from generation to generation. The binding is leather and quite plain, but the inside is nicely scribed and occasionally illuminated. A pity that it will lead you down the Path of Darkness the moment you understand its secret.
With a huge number of sacrificial victims, another realm long ago secretly bound a Prince of the land spirits, Iorstonn by name, thus ensuring the fertility, and improving the magical defences, of their realm. But binding that Prince to one spot has disrupted the weather and magical patterns (ley lines?) over half the continent. Things have become bad enough that a coalition has been formed to rectify the situation, once divinations have established the cause.
Your party is one of the teams assembled to do the rectification: find the binding object and steal it ("so that we can destroy it here in our realm, of course"...*) or destroy it over there. Presumably the Prince will be grateful to his rescuers and angry at the binders, but with a greater spirit like Iorstonn one can never be sure: such beings are "tricksy".
* Of course, the rulers of our realm might want to control Iorstonn for their own ends...