Grunan thought for a second. "Cold air... could be a frozen dimension, more likely... He sent them back to the previous night. they will appear to miss a day, then continue as normal... smart... but might not work." Grunan thinks. "Depends on the area of effect, if it covers the HQ as well... I think it worked. though they will notice the sudden change, good luck tracking it back to us. If even one person remembers..."