In the Land of Leadale, Vol. 3 (light novel)

The Search Continies. Now a full-fledged adventurer, the high elf Cayna is back on the road to locate the next Guardian Tower and any other remaining players. She stops at a fishing village where there's been talk of a palace at the bottom of the ocean-but finds the village covered in a strange fog and overrun by zombies! Investigating this eerie phenomenon leads to a chance reunion with one of her former guild members and the discovery of an orphan girl named Luka. As Cayna's circle of friends grows, will she acquire any additional insight into how she came to find herself in Leadale...?