Tome of Clear Thought

D&D 2024 item: Tome of Clear Thought. Source: Dungeon Master's Guide (2024). type Wondrous Item, Very Rare rarity This book contains memory and logic exercises, and its words are charged with magic. If you spend 48 hours over a period of 6 days or fewer studying the book's contents and practicing its guidelines, your Intelligence increases by 2, to a maximum of 30. The manual then loses its magic, but regains it in a century. Wondrous Item Very Rare