# Tome of Understanding > [!info] Item Details > | | | > |---|---| > | **Category** | Wondrous Items | > | **Rarity** | Very Rare | > | **Attunement** | No | > | **Source** | DMG p.209 | --- ## Description This book contains intuition and survival tips 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 Wisdom score increases by 2, as does your Wisdom maximum. The tome then loses its magic, but regains it in a century. --- ## Properties - Study for **48 hours over 6 days**: **+2 Wisdom** and **+2 Wisdom maximum** (permanent). - Loses its magic after use and **regains it in 100 years**. - Consumable (single use) — no attunement required.