Board Thread:Fleet's Prepared-ness/@comment-26820771-20150725225647/@comment-26289480-20150726001545

It is more a convience thing than anything else. Saiun is useful for LOS too. and 3-2A grind (although i only use 2 on 1 CVL, but if you bring 2 CVL, that means you need 4)

It is not really critical to have more than 2 Saiun but recommended, just in case.