Gra'ask the Consumed

Zavala: Mobilizing fireteam for Operation, uh... Babydog? Why does this say Babydog? I must have forgotten to reboot the strike name generator.
Devrim: Operation "Babydog?" Well, it has a certain ring to it, huh?
Zavala: Yes... "Babydog". Well, the strike protocol is already running. Can't stop it now. Devrim?
Devrim: Yes, sorry. Fireteam "Babydog" the Taken are polluting the EDZ. We need to determine the source of — Haha! — I'm sorry, I can't... Stand-by, fireteam.
Devrim: One of my teams reported Taken energy infecting the water supply. Our purification tech can only do so much. If the contamination spreads, people will die.
Ghost: Destroying the Blight destroyed the Taken miasma. This area's no longer infected.
Devrim: Good work. There's bound to be more than one.
Ghost: We're making good progress, but Taken energy readings are still off the charts.
Devrim: There must be a source. The Cabal hurt us, Guardian, but the Taken could ruin the EDZ forever. Put an end to

Sacrifice yourself to Gra'ask the Consumed