Talk:Fallen Sariel/@comment-31381761-20170609065633/@comment-26113680-20170609072606

General rule of advice

Look at the Rank of the shield you want to upgrade to.

Materials will be in that difficulty range, so you just have to pick a mission on that difficulty and replay it until you get what you desire.

You should also aim to complete the ticket rewards, since once you get a single material (even if it is a damned 2% drop) you will be able to convert tickets later on into it at any time you desire (for the price of a couple of easily acquireable tickets that is)