Talk:Fall 2013 Event/@comment-24116043-20131121230031/@comment-24166632-20131121231942

Yes,  with 4 submarine+Echelon formation make it way easier to farm 2-4 and can even get a good drop.

I got Hiryu and Ooi from the boss node today.

You can farm steel form grinding 3-2-A just hit the second node and refresh.