jests aside yeah we do need a day night system for what could happened after u lose the parasite
Not necesarily ...
All Larian need to do is simply state that while we were not turned into mind flayer, we have ben alterned allready ...
Then they can safely remove parasite and our Vampire can still run on the sun as bright new kind of creature.
Simmilar to this:
http://dnd5e.wikidot.com/sorcerer:aberrant-mind (point 4)
