High Ref Sam
@Everyone, just dont want to interrupt the match
SpoilerBreath of the Night specifically says it does not block line of sight. You beat his hide check with your spot check. I was going by the text of the ability being used... seeing as Specific trumps General.
Also, could you point me to the location of the rule of two forms of concealment = total cover? I can't find it, but I've heard it somewhere before (maybe the minis game).