Vaylek the reclusive hydromancer did not often leave his seaside tower. Now he is missing. What strange and magical secrets lie within? What deadly perils and grotesque creatures might call that tower home? The mysteries of his tower await the brave and resourceful! This 5e ocean-themed adventure is intended for player levels 1-3 and contains: 6 levels of maps and exploration A floor filled with aquariums containing new and wonderous sea creatures A secret lab 6 new monsters--including Frankenlobster, Saltwater ooze, Sea gobblers, and Sharkdogs! Wandering monster tables and descriptions of what the monsters are doing New magic items An overland map An optional adventure setting