Change the appearance of the vampire lord. Keep the face of the character of the original. Vampire royal armor and Wings.

Require SKSE & SkyUI & XP32 Maximum Skeleton -XPMS. After transformation, and wait to lower the arm. You can equip clothes and armor from the inventory. (Hold Shift in SkyUI)If Elf, Khajiit, Argonian, you will unnatural that it is equipped with a view of the skin. If your race is Argonian or Khajiit, have tail. If your race is Argonian or Khajiit or Elf, have its hands & feets.

The face of the transformed NPC turns black. I don't know the cause because it seems to be an SE-only symptom.