you need to catch every monster in mt.gagazet and then the guy will give you the blossom crown then go to remiem temple and kill all the aeons and also do the chocabo race.(go to the left and talk...
you didnt say for which one but if its for FFX you have to capture all the calm land fiends then battle all of belgemine aeons to get the flower scepter and blossom crown and the door at the back of...
Im guessing you are reffering to the Shiva sisters. Have snow be a sentinal for almost the whole time. every once in a while, while Nix is charging up her ATB guage, attack her.Hope this helped!
That really depends on the particular sinspawn. Generally, I've found that you can just pummel them with your highest power characters and heal with youna every time it is needed. The only strategies...