what requirments do i need to equip book of darkness in osrs

To equip the Book of darkness in OSRS, you need to finish Horror from the Deep so you can obtain the base God book from Jossik at the Lighthouse, then fill it with the four Zamorak pages. The completed book can then be equipped in the shield slot.

Requirements

• Complete Horror from the Deep.

• Obtain the unholy book / Book of darkness base from Jossik after the quest.

• Add all four pages: Zamorak page 1, 2, 3, and 4.

How to get it

• Pages usually come from clue scrolls , or you can buy them from other players.

• Once the book is fully assembled, just equip it like any other off-hand item.

Notes

• The Book of darkness is mainly used for its magic attack and prayer bonuses.

• It does not need any combat level requirement to equip beyond having the completed item.

TL;DR: finish Horror from the Deep , get the unholy book , add all four Zamorak pages , then equip it in the shield slot.