Board Thread:Questions and Answers/@comment-69.123.219.97-20160729034301/@comment-27473528-20160729130605

most of raid boss is essential for many FN and story mode, exception for Aokiji and Duval so far.

So try to get them ASAP.

Your 4 and 5 star is quite good just need to level and evo them also you need to increase your Pirate level to afford them