Originally Posted by Astasia

IME there's very little difference in power between a 3 star girl with 4 equipment slots and a level 5 skill, and a 4 star girl with 1 equipment slot and a level 1 skill. If you aren't combining your 4 stars you might as well be using 3 stars anyway.

Uh... 3* should have higher stats (depending on equipment rank and level) and higher skill activation chance, 4* would have stronger passive. Depending on the passive, maxed 3* should outperform a fresh 4*