Share 'Must have metal albums for your collection'

So I was exploring the furthest reaches of the inter-web, and stumbled upon a review of " the red album" by Baroness, It said nothing but good things so I ordered it, and very quickly fell in love with it. I got to thinking If I could only have 5 albums/bands to listen to forever, or must have albums what would they be. in no particular order 1) Agalloch (the mantle) 2) Baroness (the red albu...