right after adding 1 to GOD, you are setting GOD to 10, so the adding 1 action is useless..
Also this happens every second no matter what..
I guess you only want to add 1 while the powerup is working, so you should add a condition for that
instead of the set god to ten action, create a system compare variable GOD = 10 event and add the actions to that..
This event should only trigger once while true, so you should add that condition..