Talk:Spring 2017 Event/@comment-31452970-20170518115626/@comment-28112544-20170518121836

Try this:

[1st Base] Saiun + 3 Fighters (Defense)

[2nd Base] 2x M21 + Ryuusei + Type-96

[3rd Base] M21 + 3x Type-96

Meanwhile rank up that 4th M21