Old thrash bands with more "mature" late-career albums

[mutantllama]

 

[MURAI]

Forbidden - Distortion

Forbidden's mature work eh. Sounds interesting.

Sepultura's Against is not bad. I do not know why people overlook it.

 

[Black Friday]

Metallica after 80's

I don't think a band who'd put mixed semen and blood on their album cover would be considered mature.

 

[Eeric]

I don't think a band who'd put mixed semen and blood on their album cover would be considered mature.

Listen the music, dude