I had this idea to try and get the Rune of Protection's 600 second recharge to perma status to see if it can be done. However I have run into a wall on the builder. I have not crossed the rules of 5 yet and still have more recharge that I can add, but it will not go down below 120 seconds no matter how much more recharge I add.
Is this some rule I don't know about since hasten seems to be stuck at 90 seconds or is it a bug with the planner?