. . . . "A Flawless Undead Battle-Stone is a consumable item added in Patch 5.1 that instantly upgrades an Undead battle pet to Rare quality. Pets level 15 and greater lose up to two levels in the process. Flawless Undead Battle-Stones have a very small chance to drop from multiple loot bags."@en . "A Flawless Undead Battle-Stone is a consumable item added in Patch 5.1 that instantly upgrades an Undead battle pet to Rare quality. Pets level 15 and greater lose up to two levels in the process. Flawless Undead Battle-Stones have a very small chance to drop from multiple loot bags."@en . . "Flawless Undead Battle-Stone"@en .