Read from the World of Warcraft client build files.
How Galactic Gladiator's Focus Compares
Who It Suits
Galactic Gladiator's Focus carries Intellect, the primary stat of Holy Paladin; Discipline, Holy and Shadow Priest; Elemental and Restoration Shaman; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock; Mistweaver Monk; Balance and Restoration Druid; Devourer Demon Hunter; Devastation, Preservation and Augmentation Evoker.
Tome of Alnscorned RegretID 249922 · Armor · item level 197"Are you certain you wish to understand the Alnscorned? To make their pain your own?"
Grimoire of the Eternal LightID 249276 · Armor · item level 197"Full of the Light's wisdom, but an inattentive adherent may wander into mouths better left unexplored."
Blizzard numbers items as they are created, so the named items next to ID 255638 (255633 to 255644) were usually added in the same batch as Galactic Gladiator's Focus: the same quest line, zone, vendor or reward set.