Scroll of Augury

The Scroll of Augury is a reward from Dungeoneering. You can purchase one for 153,000(153k) Dungeoneering Tokens from the Dungeoneering Master found north of Lumbridge, in Lunar Isle, and in Varrock palace. By reading the scroll, you will unlock the Augury prayer, which requires 77 Prayer to activate.

Stats + Info
The Augury prayer boosts your Magic by 20% and Defence by 25%. The prayer is used by many magers in PvM and PvP.

The Augury prayer is currently the most powerful prayer in terms of bonus magic accuracy.