i'am unable to get keys during iron horse raid even after week reset, the key box appear always open, the only key i'am able to obtain is the one dropped from the last boss, and even so after getting 6 keys it doesn't let me open the final chest.....
https://s56.photobucket.com/user/lip...4axqy.png.html
https://s56.photobucket.com/user/lip...ufapb.png.html