In the "Eternal Darkness, part 3" update:
Demons:
General:
Updated textures, animations, and models of most demons.
Updated loot tables of most demons.
Regular Demons no longer gain buffs during the full moon.
Regular and Full Moon Demons no longer weaken during the day.
Fixed demons sometimes applying fear on themselves.
Demons now only inflict fear on humans and animals.
Attacks of most(!) demons are now synchronized with their animations and have different intervals, varying from demon to demon.
Added unique death messages for most(!) demons.
For technical reasons, demons are now immune to the Strength effect.
(!) All demons except the Soul Weaver, Necromancer, and Underworld Guardian.
Dark Wolf:
Demon King:
Dreamcatcher:
Fallen King:
Fallen King's Head:
Fiend:
Hanged Man:
Imitator:
Necromancer:
Reaper:
Skeleton King:
Soulseeker:
Soul Weaver:
Underworld Guardian:
Underworld Horror:
The Underworld:
Items:
Blocks:
Armory & Tools:
Advancements:
Configuration:
Other:

Demons, souls, horrors, death... Face the fear, mortal!