Marked Flawless Battle-Stone

The Marked Flawless Battle-Stone is rewarded for completing the Pet Battles achievement The Longest Day, awarded for completing every daily pet battle quest in a single daily reset period.

Additional battle-stones may be purchased in exchange for from Master Li at the Celestial Court on Timeless Isle. Celestial Coins are awarded for completing the weekly The Celestial Tournament (quest) pet-battle scenario.

Battle-stones may also be purchased for from the following vendors: Polished Pet Charms are primarily awarded from pet battle world quests and command table follower missions in Battle for Azeroth.

Beyond that, three family-specific flawless battle-stones may be traded in for a marked battle-stone: