Sealed Tome of the Lost Legion

Combining the Sealed Tome of the Lost Legion with a Healthstone will create The Codex of Xerrath.
==Source==
This item has a low chance to drop off of mobs, and a larger chance from the various rare mobs inhabiting the Isle of Thunder.
==Patch changes==
*
==External links==
Category:Isle of Thunder items
Category:Mists of Pandaria world drops