Elves are wonderful. They provoke wonder.
Elves are marvellous. They cause marvels.
Elves are fantastic. They create fantasies.
Elves are glamorous. They project glamour.
Elves are enchanting. They weave enchantment.
Elves are terrific. They beget terror.
I've been reading through Disc world as a pallette cleanser between heavier fantasy, and you've just reminded me it's time for the next one. Terry Pratchett is wonderful
Honestly unshocking. Eldritch horrors and fey are basically the same thing anyway; a powerful entity with alien intentions and motivations, not good or evil particularly, just unknowable.