Originally Posted by
Timmy
The timer is for buffs on item drops, I believe. Dark Knight seem to have been staying in rotation for RC since forever on DMM, and there's no reason to assume that he won't on Nutaku.
CR is ofc great, but I believe that using extremely rare units for it is a waste, especially when you consider that it's only first point that you will 100% drop and that's not much. Second CR is 50% and the next one is 25%, which is very unlikely going to take just one per reduction from you.