Grimoire Infinitus

A Grimoire Infinitus is a Vestige of Divergence. Several of these spellbooks with gilded pages and silver-plated covers were created during the Age of Arcanum, but only one has been found since the Calamity ended. The book has an infinite number of pages, is three inches thick, eight inches wide, twelve inches long, and weighs three pounds. A Grimoire Infinitus has not yet appeared on Critical Role.

Dormant state

 * Twenty-five spells are recorded in the first pages of the tome.
 * You can use the grimoire as your spellbook, and you can scribe new spells into it as normal.
 * When you prepare wizard spells using the grimoire, the number of wizard spells you can prepare increases by 1.

Awakened state

 * While you carry the spellbook, you have advantage on saving throws against spells and magical effects.
 * When you prepare wizard spells using the grimoire as your spellbook, the number of spells you can prepare increases by 1 again.

Exalted state

 * You can now use your Arcane Recovery feature twice between long rests, rather than once.
 * When you prepare wizard spells using the grimoire as your spellbook, the number of spells you can prepare increases by 1 again.

Spells
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1st-level

 * Alarm
 * Charm Person
 * Silent Image
 * Thunderwave

2nd-level

 * Detect Thoughts
 * Enlarge/Reduce
 * Misty Step
 * Ray of Enfeeblement

3rd-level

 * Fear
 * Gaseous Form
 * Glyph of Warding
 * Leomund's Tiny Hut

4th-level
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 * Blight
 * Confusion
 * Mordenkainen's Faithful Hound

5th-level

 * Bigby's Hand
 * Legend Lore
 * Mislead

6th-level

 * Create Undead
 * Mass Suggestion

7th-level

 * Prismatic Spray
 * Teleport

8th-level

 * Antimagic Field
 * Control Weather

9th-level
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 * Foresight