Kill 5 Lava Bursters.
Lava worms are bursting through the ground behind our lines, breaking our formations and allowing elementals to slip through. You'll find them scattered throughout our entire front to the north, and upon the Ashen Fields further out.
Stomp them back into their holes.
You will receive:
|Mark of the World Tree|
You will also receive:
- 12,870 experience
- 9 40
- 250 reputation with Guardians of Hyjal