I just tryed it and found 1 bug. Even if there are no highbourne channeling a portal, and there already have been 5 before, the notification message comes up.
Reflect
Events
Conditions
((Triggering unit) has buff Reflect ) Equal to True
(Random integer number between 0 and 100) Less than or equal to 10
Actions
Set Temp_Point = (Position of (Triggering unit))
Set ReflectGroup = (Units within 450.00 of...