From Destinypedia, the Destiny wiki
Chances and Choices
High Durability Rapid Movement Wall of Darkness
Golthor, the Subtle is a Hive Knight seen in the Chances and Choices Quest. At the end of the mission, he is seen dueling with Mithrax, the Forsaken. Canonically, Golthor was killed by Mithrax with the assistance of the Young Wolf.