Hard to choose just one book, so I'll throw out a couple:
The Firekeeper saga by Jane Lindskold
The Companions by Sheri Tepper
The Gormenghast trilogy by Mervyn Peake
The Mistborn trilogy by Brandon Sanderson
Hard to choose just one book, so I'll throw out a couple:
The Firekeeper saga by Jane Lindskold
The Companions by Sheri Tepper
The Gormenghast trilogy by Mervyn Peake
The Mistborn trilogy by Brandon Sanderson
I absolutely loved Gormenghast