So I guess this is what happens when you race change from Breton to Argonian (through console command), change into a vampire lord, and change back. : r/skyrim
Skyrim:Serana - The Unofficial Elder Scrolls Pages (UESP)
Skyrim vampire console command (you and npcs will turn into vampires) - YouTube
Skyrim:Vampirism - The Unofficial Elder Scrolls Pages (UESP)
A Vampire Lord's Death by Jowain92 on DeviantArt
Bloodline | Elder Scrolls | Fandom
The Elder Scrolls V: Skyrim - Vampirism (Vampire Guide)