Ars Moriendi

You need Old School and Cool volume 4, and thus Old School Essentials or another old school ruleset to use this book. Did you enjoy the undead options in Old School and Cool 4? Ars Moriendi has more undead, more Invultuations, more vulnerabilities, more tables, upgraded undead, adventure seeds, and in general more bleak, decaying, grody, rotting good times. Play as revenants, mound dwellers, …