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Message: <blockquote data-quote="Croesus" data-source="post: 7164516" data-attributes="member: 35019">After learning about the book's indexing system:A character can spend time to study the book, to memorise its indexing pattern. Making an arcana check for every 8 hours spent studying. DC starts at 35 and goes down by 2 for every check made (DC cannot be shared between characters).The DC becomes 1 after 18 days, so effectively a week or two of study will suffice. Is that your intent?Has 1 charge.Automatically gains 1 charge after a fortnight if it has 0 charges.Once after a long rest, any one character with knowledge of the indexing pattern can make a Arcana check DC 15. Success grants the book 1 charge.Ok, if I understand correctly, a character can attempt to grant the book a charge after each long rest. If the character doesn't do so, or fails every time, the book still gets a charge every 14 days.In practice, if the character using the book has Arcana as a trained skill, then regaining the charge each long rest is likely. Is it your intent that the book could be used every day or two?1 charge can be used to cast any spell of a spell level equal to or lower than the casting character's highest spell slot (max lvl 7).Characters that do not have magical knowledge or abilities (characters without spell slots) can only cast cantrips from this book.Casting a spell out of this book always takes 1 action or more. You cannot use a bonus action or reaction to cast a spell from the book.M, V, S; rules still apply as stated by the spell.Looks okay, though I'm wondering about the material components. Will the caster really have all components needed for all the possible spells? Or are you thinking the caster will have to think ahead, planning on which spells he might use and therefore have those components handy?This brings up another issue: make sure whichever player uses this item has a list of spells he/she plans to use. You don't want a player going through the entire PHB in the middle of a game to decide which spell to use.After casting a spell from this book roll a d20. When the roll is higher than your character level minus the level of the spell, roll on the sorcerer's Wild Magic Surge table. on a 20 roll twice and use either result.20th level caster uses 7th level spell, likelihood of surge is 35%. 13th level caster uses 7th level spell, surge occurs 75% of the time. 7th level caster uses 4th level spell, surge occurs 85% of the time. So regardless of the caster and spell used, surges are likely. Is this your intent? Spells from this book do not count as scrolls and they cannot be inscribed into a spellbook.Good idea. Otherwise, wizards will use this book to fill up their personal spellbooks.Overall, the item looks fine. Yes, it's powerful. But I don't see it as game-breaking or anything like that. Add some lore and it could be quite interesting.</blockquote>

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