Publisher's blurb: Simple Encounter tables for Sea Adventures for Low (1-4), Mid (5-10) and High (11+) levels. Support for Volo's Guide to Monsters and Mordenkainen's Tome of Foes. Extra tables for sea locations, islands, hazards, sea monsters, beasts, aerial encounters, ship type, ship crew, ship cargo and sahuagin Tables use 2-20 range designed with unusual and dangerous encounters occurring less often using 1d12+1d8 or 2d10. Or use 1d20 and ignore this.