Characters won't have any compulsions to group. It would just be the smarter thing to do for safety + more eyes when searching. But grouping and going alone doesn't effect anything.
12 hours is how long they can safely be there.
Yes. Any character will notice the effects happening after being there for about 4 hours. If the character is extremely in tune with their own mental faculties, they might notice earlier. But 4 hours would be about how long before they noticed themselves being compromised. As it gets close to the 12 hour mark, they might get a sense that they are extremely close to losing themselves.
no subject
12 hours is how long they can safely be there.
Yes. Any character will notice the effects happening after being there for about 4 hours. If the character is extremely in tune with their own mental faculties, they might notice earlier. But 4 hours would be about how long before they noticed themselves being compromised. As it gets close to the 12 hour mark, they might get a sense that they are extremely close to losing themselves.