Rampaging Mauler

Rampaging Mauler is a rare drop from Konthrogz the Obliterator, a rare-elite worldeater devourer that spawns upon the completion of a handful of Conquering Korthia-required vignettes.

Mount journal
One would think controlling a rampaging mount would be difficult, but if you can learn to control the direction of the rampage it can be quite useful.