What Should they make album/songs about? What kind of music styles should be used?

Rewrite Black Rose Immortal with the skillz and transitions of 2009 Opeth. Seriously. Do it already.

Best idea in this thread! I thought of it sometime ago, because this song could be simply genius if the riffs were somewhat connected together. Imagine... I'm sure it won't happen but I can't stop dreaming of it.

Please Mikael, stop denying your past!
 
Mannsør;7939091 said:
Back to the source, Orchid and Morningrise.

To me, the spirit of Opeth reside in the two first albums (Some parts of My Arms Your hearse too).

Something bordering on a "The Twilight Is My Robe", in the connection with the touch of a "Requiem" with the enthusiasm of an "The Apostle In Triumph", the alchemical plurality of a "Black Rose Immortal".

I request the essence.

Agreed