Talk:Twin Gremlins/@comment-31.33.53.157-20150115005613/@comment-96.18.255.55-20150121011351

They are rewards at the end of the mission. I think you confused the part where the text reads they they had to be gotten from the mission where you face the 2 bosses simultaneously. After you kill them and finish the level you will get a Trinity Warframe part and either the Twin Gremlins BP or a part for the Miter