Paimon - omg yay! No yelling from him for a week! He will be befuddled by this change of events, but won't think much of it.
Amdusias - He'll be kind of happy that he won't be a walking, breathing sound system for a week. May be a little irked that he can't turn into a unicorn though.
Andraste - Once she realizes that her abilities are gone, she'll be upset at first, but will then go to a Catholic service.
Asmodeus - Buahahaha! Will go gambling, and LOSE!! MUAHAHAHA!! -cough cough- but not everything.
Samael - Will quietly sulk.
Eligos - Oh darn, he can't predict the outcome of fights, or tame horses. Pooey. xD
Thoth - He will be a lot crankier, and will be sleeping a lot more than usual, and or downing energy drinks and espresso shots.