The plot concerns the resurrection of a mythical demon due to the theft of a sacred dagger, and an unrelated trap that lures Conan to the island fortress roamed by the demon. Due to its plot loopholes and borrowed elements from Iron Shadows in the Moon, some Howard scholars claim this story is the weakest of the early Conan tales.
This complete issue can be downloaded here
Add Grace Jones as a sidekick, and you could make a movie around that plot.
a reasonable tag would be “Man wrapped in snake” because that happens frequently to Conan.
Snakes love Conan.
The serpent depicted must be a Pouf Adder.