Nightmare of Phogoth

The Nightmare of Phogoth, the Untamed is a Hive Ogre Nightmare, "fear incarnate", the echo of Phogoth who served Crota's Brood, according to Eris Morn. It is the boss of Nightmare Hunt: Fear and a rotating final boss of Altars of Sorrow, debuting in Shadowkeep and returning in The Final Shape. Shoot the pulsating heart in its chest, not the eye. It cycles between vulnerable and invulnerable phases, summoning Nightmare Acolytes, Thralls and Knights that gain Solar shields as the fight goes on.