TO ALTERAC. A SEALED MESSAGE FROM WARCHIEF THRALL OF THE ORCISH HORDE.
Don't worry old friend. Pandaren won't run wild around the eastern Kingdoms for long. I personally embark on the journey with the best of the Horde! DEATH TO THE UNHOLY PANDAREN SCUM!!! Best wishes, Thrall.
NPC MESSAGES TO PANDAREN.
Undead: We will ally with you if you help us conquer Lordaeron and put Arthras (a.k.a. Fallen Prince, Fatherslayer, Death Knight...), the rightfull heir, back to the Throne of Lordaeron. If you ally with Jaina, the witch of the demons (actually the savior of Humanity from the Undead and Burning Legion), then terible wrath will rain upon Pandaren.
Lordaeron: WE WON'T ALLY WITH SOMEONE ATTACKING OUR GOOD ALLY, QUEL THALAS. We declare WAR!