Jun 7, 2019, 17:3006/07/19
save AT LEAST one of each, this way you can choose to build one and save one for fusions. Not only should you save one of each for fusions, you should save one of each in case one day they get buffed and become awesome!
This applies to every 3* or higher champ, not just rare.
It really doesnt take long to make a 3 star, so I would strongly disagree your argument of "advancing quicker".