Helmet key - resident evil hd remaster: the helmet key can be found in the residence, in the room where plant 42 is located.. Armor key - resident evil hd remaster: the armor key is found in the hallway with suits of armor at each end-- on the 3rd floor.. For resident evil hd remaster on the playstation 4, a gamefaqs message board topic titled "helmet key???? where"..
