User blog comment:Crimson Storm Mich/Future Units Preview v2/@comment-30462510-20170322150923/@comment-31529105-20170323215753

Just be sure to save some great units at their 4-5 star rarity, or else you will be in trouble. The 3rd arc is also really grindy. Past the 2nd map, Vilanciel, it seems to get easier. I had to start a new account because I didn't have good enougth units.