Board Thread:Game Discussions/@comment-98.144.3.228-20171015225120/@comment-27862737-20171016140445

They're a one-time only thing, as far as I know. If you don't get the armor in the 2 day event, the armors are useless (especially the bronze star ones). The DF's are decent, but nowhere near as good as even the lower-level SF's (since they have special abilities like Stun or First Strike).