Talk:Spring 2015 Event/@comment-26131988-20150430143738/@comment-219.99.100.62-20150430172456

E-6-K's drop rate is very bad. It seems around 1.55% but you should consider that drop-rate is around 50% at non-boss node.

So actual drop rate is around 0.775%. If you can defeat boss constantly without support expedition, then you shoud farm Roma at boss node.