War-Torn Reins of the Undercity Plaguebat



The War-Torn Reins of the Undercity Plaguebat teaches the Undercity Plaguebat, and is awarded to Horde players who complete the Burning of Teldrassil quest chain during the War of the Thorns world event. Players who acquire this mount also earn the Alliance equivalent, the Smoldering Reins of the Teldrassil Hippogryph.

Source
This item is a quest reward from Killer Queen, the last of a long series of quests available exclusively during the War of the Thorns event.


 * All to Ash

Mount Journal
One of the last of the giant bats to escape Undercity following the siege of Lordaeron.