The Blood Beast, while originally a construct, has surpassed its beginnings to assume a place of infamy.
The Mihradhz shrieked, with a sound like fingernails on slate, as it was dragged headlong into our world by a greedy and uncaring spellcaster whose only desire was to defeat his rivals.
Perhaps the most destructive of Kel’Regar weapons, Summer’s Extinguisher plunges the world it is deployed on into a deep and permanent winter.
Hiding deep within catacombs of the ancients, in low, deep alcoves where they lie, spider-like, awaiting the taste of fresh blood, there are the hideous Torlakia, dark beings who once lived and are now, fearfully, undead.
Faerie foods with unusual effects. Like faerie sausages that turn the eaters into wiener dogs, faerie wines that make the drinker whiny, etc. There's a table in Palladium Fantasy RPG which has a table of ideas.