The Tentacled Terror (Thurvok, #10)

Thurvok, the sellsword, and his friends Meldom, thief, cutpurse and occasional assassin, the sorceress Sharenna and Meldom's sweetheart Lysha set sail for the sunken city of Nhom'zonac, looking for the lost treasure of the Sea Kings. But they have to get past the Lovecraftian horror guarding the city first.

This is a short story of 5300 words or 19 print pages in the Thurvok sword and sorcery series, but may be read as a standalone. Includes an introduction and afterword.