Aetherosius

Appears and functions like an ordinary spell book. Over time of use the spellbook will begin to "connect" to its user. After some time spent casting from the book, it will begin wanting to be "invoked".

To Invoke the Aetherosius:

Spell of Chaos:

-Cast a spell from its level and spell slot you are capable of casting the spell at. Then, declare what higher level you are attempting to cast the spell. For each level beyond its casting level, roll a wild magic check. Additional unkown effects will occur. the stronger the invocation, the more of the Aether-winds unfold.

Notes: The holder of the book must keep it close to them and use the Book for casting spells. After some time, the Aetherosius will begin to....