Speak with Temper at Emberglade on Azuremyst Isle.
Once again you are to be tested, and this time the chaotic element of fire must be understood if you're to create a totem to harness its energies.
To the northeast on the coast is a sacred place of fire known as Emberglade. Amidst its burned trees stands Temper, a fire elemental of great power, and the one that you must speak with.
Go to him now and may the elemental spirits of Azeroth go with you.