DarkCrisis
Let her cook.
I don't get why this is so hard for people.
Is it a PC? It cannot see in the dark.
Is it an NPC aligned with the PCs? It cannot see in the dark.
Is it an NPC enemy or otherwise not aligned with the PCs? It can see in the dark.
If an NPC monster switches sides and aligns with the PCs it suddenly loses it's ability to see in the dark.
Just like in the old days.
This is how I ran it. "The Shadowdark" is an actual mystical thing and makes evil creatures see in the dark.