Orlukh Clan
The Orlukh have a unique clan power makes them incredibly slow, but nigh-immune to all damage
Skin of Iron (Power)
Resist Normal Weapons, Resist Magicka, Drain Acrobatics - 100, Drain Athletics - 100
OR
Dodge, Burden
OR
something else (other possibilities were buffing all of the armour skills + unarmoured, having a shield effect, restore or fortify health…)