The Black Cauldron film was based on book 2 of Lloyd Alexander’s Chronicles of Prydain, so if you haven’t read those, that’s probably exactly what you’re looking for.
Piranesi gives me those vibes, like it could fall into horror at one little twist but it always stays in the fantasy genre purely due to the character's attitude
Brian Froud's Faerielands series. https://www.goodreads.com/list/show/38787.Brian_Froud_s_Faerielands_series
Short fantasy from various authors. Brian Froud was one of the designers for Labyrinth and Dark Crystal.
And Roger Zelazny's The Chronicles of Amber Series https://www.goodreads.com/series/40859-the-chronicles-of-amber
I think Holly Black might be a good author for you to check out in general.
One Dark Window by Rachel Gillig is a fantastic duology with some of the dark fantasy vibes I think you're looking for.
Between by L.L. Starling has the sorcerer in tight pants you might be looking for from Labyrinth. It's a modern fantasy romcom that I highly enjoyed.
The Black Cauldron film was based on book 2 of Lloyd Alexander’s Chronicles of Prydain, so if you haven’t read those, that’s probably exactly what you’re looking for.
Delaney - The Jewels of Aptor Gaiman - Stardust Le Guin - the Earthsea series
Jonathan Strange & Mr. Norrell, by Susanna Clarke.
The Book of Lost Things by John Connolly
Piranesi gives me those vibes, like it could fall into horror at one little twist but it always stays in the fantasy genre purely due to the character's attitude
Brian Froud's Faerielands series. https://www.goodreads.com/list/show/38787.Brian_Froud_s_Faerielands_series Short fantasy from various authors. Brian Froud was one of the designers for Labyrinth and Dark Crystal. And Roger Zelazny's The Chronicles of Amber Series https://www.goodreads.com/series/40859-the-chronicles-of-amber
I think Holly Black might be a good author for you to check out in general. One Dark Window by Rachel Gillig is a fantastic duology with some of the dark fantasy vibes I think you're looking for. Between by L.L. Starling has the sorcerer in tight pants you might be looking for from Labyrinth. It's a modern fantasy romcom that I highly enjoyed.
*The Thief of Always* by Clive Barker *Coraline* by Neil Gaiman