Demon Blood ~ 55K, since I just sold one for around that price. That would be my minimum. (Regarding as misc to be 5K each)
Demon Force ~ 90K Minimum.
Demon Relax ~ 47.5K Minimum.
Void Force ~ 60K Minimum.
Void Relax ~ Deal for 40K each. (Still.)
Void Blood ~ 45K Minimum.

Also, is Orko your holder? ;o