Lore of the Demiurges

This book details legends about cosmic entities called Demiurges that are said to have existed before the reign of the deities. The Demiurges constructed the multiverse, either going on to become gods themselves or falling into a deep sleep drifting in the Astral Plane.

Those Demiurges assuming primordial divine form were almost always overthrown and torn apart by their younger divine descendants, such as in the myths of Marduk defeating Tiamat; Cronus defeating Uranus, only to be defeated in turn by his Olympian children; Odin and Aesir gods defeating Ymir; and many other tales of wind/order deities defeating water/chaos beings.

The book also includes a Scroll of Protection Vs. Celestials.

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SCROLLS OF PROTECTION

Usable by any class, not just a spellcaster. Each scroll of protection works against a specific type of creature as listed.

Using an action to read the scroll encloses you in a invisible barrier that extends from you to form a 5-footradius, 10-foot-high cylinder. For 5 minutes, this barrier prevents creatures of the specified type from entering or affecting anything within the cylinder.

The cylinder moves with you and remains centered on you. However, if you move in such a way that a creature of the specified type would be inside the cylinder, the effect ends.

A creature can attempt to overcome the barrier by using an action to make a DC 15 Charisma check. On a success, the creature ceases to be affected by the barrier.