http://harem-battle.club/kamihime-pr...html#post75480

Only thing after break limit material is SR weapons. Defender skill weapons can be saved/used for leveling up skills as enhance material for other weapons. Assault weapons are needed until you can get enough SSR weapons from events for a full set, so farm these as much as you can during free time in-between event breaks as it will take a very long time til you get a full set of SSR weapons for a single element team.