The Protectors of Hyjal

Objectives
Slay 6 Fiery Behemoths or Seething Pyrelords.
 * Invader slain at Sethria's Roost x6

Description
We need to place pressure on the assault camp at Sethria's Roost. Ragnaros' minions are using this area as a point to push their battlefront beyond the bounds of Hyjal. I'm putting you in charge of a small squad to deal with them.

I have selected an elite group of fighters to assist you. Travel to Sethria's Roost. Your compatriots have been instructed to meet you once you arrive. Then put an end to the elementals' assault.

Rewards
You will receive: Mark of the World Tree x2 and

Progress
I believe your assignment requires you to be in Hyjal,.

Completion
A job well done, soldier. While our mission in the Firelands is critical, we must not forget about the well-being of Hyjal.

Speak with my brother again tomorrow, and he will have another squad prepared for you.

Gains
You will receive:
 * 86750 XP (or at max level)
 * +350 reputation Guardians of Hyjal

The Hyjal Protector party
Players will not have to solo these elites. Upon landing in Sethria's Roost, players will receive a group of 4 NPCs including 3 Hyjal Protectors, taking the role of bear, cat and caster, and a random one from the following 40:

at Chromie, Linken, Mankrik, Hemet Nesingwary, Nat Pagle and Thassarian to earn the achievement Have... Have We Met?.

Winning a duel in Sethria's Roost while on this quest rewards the achievement Gang War.