I Was Promised a Pony
One of the areas in the Darkmoon Faire is a petting zoo not far from the boardwalk. In the petting zoo are some animals, and one is the Darkmoon Pony. The mouse cursor converts to a green vehicle entry arrow when you mouse over the pony. Click to ride the pony and achieve.
The achievement refers to the phrase "Ghostcrawler promised me a pony."
- Patch 4.3.0 (2011-11-29): Added.