User summary: 'The Terror of Ranak' Investigating the whereabouts of some missing fisherman, the heroes discover that a lonely monastery dedicated to Efferd, god of the sea, has been taken over by strange mermen from a volcanic island in the uncharted south seas. The heroes have to rescue the improsoned priests and local fishermen before they are sacrificed to a giant calamary the mermen worship as a god. Part 1 of 4 of the Southern Seas Trilogy.