Plutonian
chthonian
chthonic
cursed
curst
evil
hadean
nether
stygian
tartarean
Acherontic
Draconian
Hadean
Lethean
Mephistophelian
Plutonic
Stygian
Tartarean
absolute
animal
anthropophagous
atrocious
barbaric
barbarous
beastly
bestial
blamed
blasted
blessed
bloodthirsty
bloody
bloody-minded
brutal
brutalized
brute
brutish
cannibalistic
cimmerian
confounded
cruel
cruel-hearted
cussed
damnable
damned
demoniac
demoniacal
demonic
demonical
devilish
diabolic
diabolical
dire
downright
dreadful
dead person
dead soul
deceased
deceased person
decedent
departed
infernal machine
infernally
inferno
abominable
awful
celestial
damn
endless
hellish
horrid
infamous
murderous
nasty
colonel
diurnal
eternal
external
fraternal
internal
journal
kernel
maternal
nocturnal
paternal
vernal
heavenly