Vampiric Grip can be used as a human, without mods, through a glitch.
Here is a link to a video explaining how to do so: https://www.youtube.com/watch?v=LA20XEVSx44&t=187s
The strategy may need to be modified on PC and higher level consoles, by actually activating Bound Sword in the left hand, doing a power attack with it, and then immediately activating vampire lord form.
The rooftop of Dragonsreach can be accessed by careful climbing.
I drank a potion of invisibility while in sneak mode, to remain undetected to Nazeem, which also allowed me to steal his clothes. Ragdolling an NPC guarantees a 100% success rate with pickpocket.
SkyrimThe Elder ScrollsTESV
