Pick up this quest:
A Rough Ride - Quest - World of Warcraft
If you can't pick it up, then do some quests from the same dude, and you will eventually be able to get the quest.
Use the item in your backpack named Zeptik's Hunting Horn
Zeptik spawns, he does 200-300 dps both ranged and melee. He will also bandage you and himself.
???
Profit
*This can only be used in Sholazar Basin, however, you can summon him whenever you want and as many times as you want. Just don't abandon the quest!