Headless Bliss
Prague Race
Dimitra and the Silver Mask
BACK
Paranatural
Johnny Wander
Nedroid (or the adventures of Beartato)
Grimm’s Edge
Kill Six Billion Demons
Stupid Snake (no longer hosted but I’ll keep its name here in memoriam)
Supermassive Black Hole A*
Shootaround
Dr McNinja

Also, in the printed world,
do check out :

Chainsaw Man
Hellboy
BPRD – especially Hell on Earth
The Man Who Shot Lucky Luke
Fafhrd and the Grey Mouser (by Howard Chaykin and Mike Mignola)
Dandadan
Sandman
The Sandman Universe – The Dreaming
The Sandman Universe – Lucifer
The Sandman Universe – Hellblazer (especially issues 4&5)
Dorohedoro
Fire Punch
Black Science
Sakomoto Days

Videogames to get you in the mood :

Absolver
Vintage Story
Ashen
Overgrowth
Blasphemous

Other :

The work of Michel Lauricella
Nargyle
Alexei Rudikov
and I’m certainly forgetting a lot of them.