Talk:Nightmare Mode (SAS4)/@comment-180.191.134.194-20151123051302/@comment-26985007-20151124095503

Dude...elite cores are one of the rarest items in-game. You use them to make your gun even better, like add slots or another augment ation slot entirely. You can also increase certain aspects of the weapon, like deadly and OC. In fact, I can't even explain it fully to you, so just go over here.