During the level 3 court fight with Thalnok, Fanatic of Crota you must kill a knight named [b]Hagrish, Blade's Edge[/b] who drops the hive sword to damage Thalnok. In the mission summoning circle, you kill an ogre named [b]The Infantine[/b]. For the wormsinger rune event in the hull breach on the dreadnaught you summon first a knight named [b]Nengalish[/b] and upon his death a giant ogre named [b]Blahgrish[/b] spawns. During the first mission for the sleeper. A large knight covered in the symbiote stuff from the hunter helmet, similar to Urrox, spawns named [b]Kandorak[/b]. Interestingly, if you die to him he is of the hive classification Venom of Oryx, not seen to my knowledge anywhere else. An ultra tier enemy simply named [b]Ultra Knight[/b] spawns in The Bridge area in patrol on the Dreadnaught. As others have said, Adleg is a taken knight. I do not judge. I record.