Planar Compass #1

A mini-setting for Old-School Essentials and other classic roleplaying systems, set on an island port in the astral realm between worlds. It provides a home base for spirits, adventurers, and planar travelers, or a setting for a standalone campaign. The supplement includes four new classes, psionics rules with more than 40 powers, three short adventures, and a dungeon.

资料书（用于增强玩法的规则/选项）基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）职业制（飞行员、巫师、科学家等）