Board Thread:Event Official Threads/@comment-35182244-20160811090319/@comment-26574811-20160815061421

71.84.95.121 wrote: I got the debuff by clearing D/H/I/K So it seems it's D/H/I and C *or* K. I think it's C.

I went through HIDF all on S, nothing.

Went all the way to boss, nothing.

Go to C once with S rank, got the SFX instantly.