Ultimate Battle-Training Stone

• Ultimate Battle-Training Stone
• Binds to Warband
• Use: Instantly trains any battle pet to gain 25 levels.
  
  The stone is consumed on use.
• Max Stack: 20

The Ultimate Battle-Training Stone is sold by most pet battle trainers for 35x  [Polished Pet Charm]. Additionally, the stone is a reward from the following quests:

Garrison

•  [35-40] Unearthed Magic

Quest chains and PvP

•  [1-80] A Practice Bout
•  [1-80] So How Did It Go?
•  [80W] The Very Best

Pet battle dungeons

•  [45] The Deadmines Strike Back
•  [50] Gnomeregan's New Guardians
•  [50] Shadows of Blackrock
•  [50] Tiny Terrors of Stratholme
•  [45] Wailing Critters

Falcosaurs

•  [45] Teamwork Lesson: Krosus
•  [45] Teamwork Lesson: Skorpyron
•  [45] Teamwork Lesson: Ursoc
•  [45] Teamwork Lesson: Xavius

Patch changes

• Patch 8.1.5 (2019-03-12): Now binds to account, changed from bind on pickup.
  
• Patch 7.2.5 (2017-06-13): Now stacks to 20.
  
• Patch 6.2.0 (2015-06-23): Additional source added.
  
• Patch 6.1.0 (2015-02-24): Added.
  

External links

• Wowhead
• WoWDB