The Monarch Borderlands 3120K views 2 years ago #Borderlands3 #Borderlands The Monarch AR drops from Killavolt in Lectra City on Prometha on Mayhem 6 and above. It is a top-tier legendary, one of the best assault rifles and weapons overall in the game. The Monarch is one of the most sought-after weapons in Borderlands 3. See full list on borderlands.