In my patrol of the Dreadnaught tonight, I accidentally triggered a Taken grenade (had already killed the wizard during the patrol) and begrudgingly killed the knights and wizard again (5 of 7 for my Agonarch Rune). I got a Legendary Engram from the drop. Turned into the Judgment of Mars artifact for my Titan. Not bad for just warming up...sorry for geeking out over it. Also, the locations of the Cabal and Fallen are different...does Bungie change that up from time to time?