Grimoire
From WoWWiki
Generally, a book or tome used by Warlocks to teach their pets new abilities. These tomes are usually sold by Demon Trainer vendors.
See the list of grimoires sold by demon trainers.
However, there are several other types of items also called grimoires.
Warlock Spell Grimoires
Several grimoires are actually world drops for spells and not demon minion abilities:
- [Grimoire of Doom] - Also learned as a reward from completing the warlock class quest
[60G] Suppression.
- [Grimoire of Inferno] - Also learned learned as a reward from completing the warlock class quest
[55G] Kroshius' Infernal Core.
- [Grimoire of Shadow Ward IV] - As of Patch 2.0.1, also learned from a warlock trainer at level 60.
In addition, 3 grimoires drop in the Ruins of Ahn'Qiraj that teach high level versions of the Warlock spells.
- Corruption - [Grimoire of Corruption VII]
- Immolate - [Grimoire of Immolate VIII]
- Shadow Bolt - [Grimoire of Shadow Bolt X]
Offhand Items
Some grimoires are offhand items:
- [Ancient Cornerstone Grimoire] - Drops from Onyxia in Onyxia's Lair.
- [Fire Runed Grimoire] - Drops from Magmadar, Garr, Baron Geddon, and Golemagg the Incinerator in Molten Core.
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[Vengeful Gladiator's Grimoire] - PvP item available in after Patch 2.3.
Quest Items
A few grimoires are quest items:

