From Destinypedia, the Destiny wiki
The Drifter's Taken
The Reckoning (Tier 2 & 3)
Varies (always guards the Pool of Light)
The Hermits are a group of specialized Taken seen in the Darkblades encounter in The Reckoning. They lurk within the depths of The Haul along with the Darkblade Duo, where they guard Pools of Light required to damage the Darkblades.
The Centurion variant of the Hermit.
The Ogre variant of the Hermit.