Pet Battle is more fun than I thought it would : r/wow
Battle Pets That Drop In Old WoW Raids Mists of Pandaria - Murlocs.com - World of Warcraft Community and Guild
Tiny Terrors in Tanaan: 6.2 Legendary Pet Battles - Guides - Wowhead
Personally I think it'd be cool to bring back old raid instances and re-use the ones with wings as a version of Mythic+/Mega dungeon with a rotation per season. *Removing certain mechanics
Guide to WoW Pet Battles - WarcraftPets
Chains of Domination Pet Battle Overview - Now Live! - Wowhead News