Players should play Horde and Alliance this expansion - Polygon

Battle for Azeroth seeks to harness player passion by pitting the two factions against each other more than ever before. But instead of loyally choosing a side, the best way to play Battle for Azeroth is with both a Horde and Alliance character.

World of Warcraft Will Allow Horde and Alliance Players to Play Together at Last - IGN

World of Warcraft - Wikipedia

Small World of Warcraft board game review - MMO crossover brings flavour and complexity to fantasy conquest classic

World of Warcraft: Battle for Azeroth Preview - Eight Reasons To Be Excited For The Upcoming Expansion - Game Informer

World of Warcraft: Dragonflight will add playable and rideable dragons

World of Warcraft Battle for Azeroth Warfront Mode Details Revealed

From Polygon to Paper: Warcraft - IGN

WoW Classic Coming to Your Home for BlizzCon

World of Warcraft' Expansion Will Introduce Dragonriding