User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-3315689-20120721093521/@comment-5020152-20120825204406

A quote from the Great Jaggi's page here at the MH Wiki:

"Its alpha status is much more prominent than that of previous Dromes, as it features many of the characteristics of full-fledged boss monsters — the ability to become enraged, limping when weak, and having a breakable part."

Whomever wrote that is insinuating that the 'dromes have no rage mode.