Demons

Aquatic Imp, Darkcaller, Demon Fairy, Filthsucker, Fire Foliot, Frostclaw, Goldfiend, Hellpriest, Hellrusher, Hornbeast, Libido Fiend, Poundfist, Power Imp, and Spellbreaker are items. These 14 items are collectively referred to as Demons.

Aquatic Imp

 * Target any player; they lose all stacks of Fire.

Darkcaller

 * Target any player; Blind them.

Demon Fairy

 * Target any player; they gain Faerie Frost.

Filthsucker

 * Target any player; they lose 1 random Disease.

Fire Foliot

 * Target any player; they gain 1 stack of Fire.

Frostclaw

 * Target any player; they gain Demonic Frost for 3 Effects Phases of duration.
 * Demonic Frost grants -2 temporary Speed.

Goldfiend

 * Target any player; they lose 6-8 Rupees.

Hellpriest

 * Target any player; revive them.

Hellrusher

 * Target any player; they gain Demonic Rush for 3 Effects Phases of duration.
 * Demonic Rush grants 2 temporary Speed.

Hornbeast

 * Target any player; they move 8 spaces forward.

Libido Fiend

 * Target any player; remove Mojo from them. (Note that Mojo passively granted by Sexy Shoes cannot be removed.)

Poundfist

 * Target any player; Incapacitate them.

Power Imp

 * Target any player; they gain 1 stack of Empowered Dice.

Spellbreaker

 * Target any player; remove a random Magic Buff from them. (Note that Doom Walker and Archbishop Clementis' Seal's Curse Resistance are not removable.)

Fire Foliot, Hellrusher, or Poundfist

 * Give to Marceline in Ooo

Darkcaller

 * Use against the Big(ger/gest) Golem of the Archaeology Dig

Fire Foliot

 * Melt the Ice Inside The Cave

Hornbeast

 * Use against The Bear!; move 8 spaces forward.

Libido Fiend

 * Use against the Libido Demon of the Archaeology Dig

Poundfist

 * Use against the Lv 2 or 3 Small Golem of the Archaeology Dig

Any Demon But Libido Fiend

 * Generic Living-related skill use (Sexual Ritual)

Libido Fiend

 * Sacrifice with Sexual Ritual. Unlike with the other Demons, the ritual performer receives a Flask Of Mojo.

Any Demon

 * Generic Living-related other item use (Deadly Virus, Mystery Mixer, Unstable Mutagen, Tasty Treats, The Pied Piper's Pipe)

Aquatic Imp

 * Flying Carpet

Item Combining

 * None

Strategy
TBD

Any Demon

 * Generic random Living item-givers (Baetylus, Inflatable Egg, Unstable Mutagen)

Events

 * Demonic Pentagram

Items

 * Demonic Ritual Stone

Skills

 * Call Demon

Effects

 * Obsidian Necklace

Trivia

 * The Demons with red borders in their artwork have effects that generally harm the target, while those with green borders have effects that generally benefit the target.