Amplifying Tome

Slightly increases Ability Power

+20 Ability Power
Builds Into

Fiendish Codex Increases Ability Power and Cooldown Reduction 465 Seeker's Armguard Increases Armor and Ability Power 65 Haunting Guise Increases magic damage 665 Void Staff Increases magic damage 1365 Hextech Revolver Increases Ability Power. Deal bonus magic damage on attack periodically. 180 Aether Wisp Increases Ability Power and Movement Speed 415 Guinsoo's Rageblade Increases Attack Speed, Armor Penetration, and Magic Penetration 790 Rylai's Crystal Scepter Abilities slow enemies 915 Enchantment: Runic Echoes 340 Lost Chapter Restores Mana upon levelling up. 80 Oblivion Orb Increases magic damage 765