Palimpsest Tablet of Hidden Truths

What is the oldest most well-preserved document in this world?
Palimpsest Tablet of hidden truths.
It is the most prized relic of the Sacred Alliance, kept in the Shrine of Ascendancy and has nearly always been there. The temple was built around it. Or'Riche the Illuminated wrote everything on the stone slab immediately after achieving Godhood.
This artifact was pivotal in the First Dragon War.
Shattered by the High Prest Leveque after his final reading, guiding a motley crew of heroes towards victory... pyrrhic or decisive.

Mechanics & Inner Workings

It contains all knowledge, but also untruths and lies for the unworthy, and merely possibilities for the ill fated and uncertain.
Library of Babel, Inspiration and REFERENCE

Significance

Cultural, Primordial, Titanic, Divine

Item type

Book / Document

Current Location

Amar'Ananab

Owning Organization

Scions of Vex

Rarity

Unique

Weight

30 lbs.

Dimensions

20 in. x 30 in.