Giant Dinosaur vs. Mega Snail

Giant Dinosaur vs. Mega Snail is an achievement that is awarded for opening the Thrice-Locked Cage during the Thok the Bloodthirsty encounter in the Siege of Orgrimmar raid instance and then allow its inhabitant to feast upon Thok's corpse once you have defeated the encounter.

Trivia

 * This achievement's name is possibly a reference to the 2009 monster film .