Some games allow players to transform into vampires, like Baldur's Gate 3 ... These games do not begin with the player as a vampire, nor does the premise involve the assumption that the player ...
so I retreat like a vampire into the dark lair of my home on sunny days. I have installed blinds throughout the bottom floor of the house to make the transformation complete. Call it Transylvania.
Hopefully, I will not get in trouble with the Marvel powers that be for this answer—but within the Marvel Universe the origin of the vampire is rooted in three specific realms. I think I can ...